164603920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{971}}^1$

素因数の和:1160

約数の個数: 80

約数和(自身を含む): 415098432

約数和(自身を除く): 250494512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 163, 208, 260, 326, 520, 652, 815, 971, 1040, 1304, 1630, 1942, 2119, 2608, 3260, 3884, 4238, 4855, 6520, 7768, 8476, 9710, 10595, 12623, 13040, 15536, 16952, 19420, 21190, 25246, 33904, 38840, 42380, 50492, 63115, 77680, 84760, 100984, 126230, 158273, 169520, 201968, 252460, 316546, 504920, 633092, 791365, 1009840, 1266184, 1582730, 2057549, 2532368, 3165460, 4115098, 6330920, 8230196, 10287745, 12661840, 16460392, 20575490, 32920784, 41150980, 82301960, 164603920]

約数ペア:

[(1, 164603920), (2, 82301960), (4, 41150980), (5, 32920784), (8, 20575490), (10, 16460392), (13, 12661840), (16, 10287745), (20, 8230196), (26, 6330920), (40, 4115098), (52, 3165460), (65, 2532368), (80, 2057549), (104, 1582730), (130, 1266184), (163, 1009840), (208, 791365), (260, 633092), (326, 504920), (520, 316546), (652, 252460), (815, 201968), (971, 169520), (1040, 158273), (1304, 126230), (1630, 100984), (1942, 84760), (2119, 77680), (2608, 63115), (3260, 50492), (3884, 42380), (4238, 38840), (4855, 33904), (6520, 25246), (7768, 21190), (8476, 19420), (9710, 16952), (10595, 15536), (12623, 13040)]