79904366800

素因数分解:

$2^4\times 5^2\times {\mathrm{409}}^1\times {\mathrm{503}}^1\times {\mathrm{971}}^1$

素因数の和:1901

約数の個数: 120

約数和(自身を含む): 193020770880

約数和(自身を除く): 113116404080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 409, 503, 818, 971, 1006, 1636, 1942, 2012, 2045, 2515, 3272, 3884, 4024, 4090, 4855, 5030, 6544, 7768, 8048, 8180, 9710, 10060, 10225, 12575, 15536, 16360, 19420, 20120, 20450, 24275, 25150, 32720, 38840, 40240, 40900, 48550, 50300, 77680, 81800, 97100, 100600, 163600, 194200, 201200, 205727, 388400, 397139, 411454, 488413, 794278, 822908, 976826, 1028635, 1588556, 1645816, 1953652, 1985695, 2057270, 2442065, 3177112, 3291632, 3907304, 3971390, 4114540, 4884130, 5143175, 6354224, 7814608, 7942780, 8229080, 9768260, 9928475, 10286350, 12210325, 15885560, 16458160, 19536520, 19856950, 20572700, 24420650, 31771120, 39073040, 39713900, 41145400, 48841300, 79427800, 82290800, 97682600, 158855600, 195365200, 199760917, 399521834, 799043668, 998804585, 1598087336, 1997609170, 3196174672, 3995218340, 4994022925, 7990436680, 9988045850, 15980873360, 19976091700, 39952183400, 79904366800]

約数ペア:

[(1, 79904366800), (2, 39952183400), (4, 19976091700), (5, 15980873360), (8, 9988045850), (10, 7990436680), (16, 4994022925), (20, 3995218340), (25, 3196174672), (40, 1997609170), (50, 1598087336), (80, 998804585), (100, 799043668), (200, 399521834), (400, 199760917), (409, 195365200), (503, 158855600), (818, 97682600), (971, 82290800), (1006, 79427800), (1636, 48841300), (1942, 41145400), (2012, 39713900), (2045, 39073040), (2515, 31771120), (3272, 24420650), (3884, 20572700), (4024, 19856950), (4090, 19536520), (4855, 16458160), (5030, 15885560), (6544, 12210325), (7768, 10286350), (8048, 9928475), (8180, 9768260), (9710, 8229080), (10060, 7942780), (10225, 7814608), (12575, 6354224), (15536, 5143175), (16360, 4884130), (19420, 4114540), (20120, 3971390), (20450, 3907304), (24275, 3291632), (25150, 3177112), (32720, 2442065), (38840, 2057270), (40240, 1985695), (40900, 1953652), (48550, 1645816), (50300, 1588556), (77680, 1028635), (81800, 976826), (97100, 822908), (100600, 794278), (163600, 488413), (194200, 411454), (201200, 397139), (205727, 388400)]