51145040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:588

約数の個数: 80

約数和(自身を含む): 125991936

約数和(自身を除く): 74846896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 503, 620, 656, 820, 1006, 1240, 1271, 1640, 2012, 2480, 2515, 2542, 3280, 4024, 5030, 5084, 6355, 8048, 10060, 10168, 12710, 15593, 20120, 20336, 20623, 25420, 31186, 40240, 41246, 50840, 62372, 77965, 82492, 101680, 103115, 124744, 155930, 164984, 206230, 249488, 311860, 329968, 412460, 623720, 639313, 824920, 1247440, 1278626, 1649840, 2557252, 3196565, 5114504, 6393130, 10229008, 12786260, 25572520, 51145040]

約数ペア:

[(1, 51145040), (2, 25572520), (4, 12786260), (5, 10229008), (8, 6393130), (10, 5114504), (16, 3196565), (20, 2557252), (31, 1649840), (40, 1278626), (41, 1247440), (62, 824920), (80, 639313), (82, 623720), (124, 412460), (155, 329968), (164, 311860), (205, 249488), (248, 206230), (310, 164984), (328, 155930), (410, 124744), (496, 103115), (503, 101680), (620, 82492), (656, 77965), (820, 62372), (1006, 50840), (1240, 41246), (1271, 40240), (1640, 31186), (2012, 25420), (2480, 20623), (2515, 20336), (2542, 20120), (3280, 15593), (4024, 12710), (5030, 10168), (5084, 10060), (6355, 8048)]