51591320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3169}}^1$

素因数の和:3228

約数の個数: 64

約数和(自身を含む): 130096800

約数和(自身を除く): 78505480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3169, 3256, 4070, 6338, 8140, 12676, 15845, 16280, 25352, 31690, 34859, 63380, 69718, 117253, 126760, 139436, 174295, 234506, 278872, 348590, 469012, 586265, 697180, 938024, 1172530, 1289783, 1394360, 2345060, 2579566, 4690120, 5159132, 6448915, 10318264, 12897830, 25795660, 51591320]

約数ペア:

[(1, 51591320), (2, 25795660), (4, 12897830), (5, 10318264), (8, 6448915), (10, 5159132), (11, 4690120), (20, 2579566), (22, 2345060), (37, 1394360), (40, 1289783), (44, 1172530), (55, 938024), (74, 697180), (88, 586265), (110, 469012), (148, 348590), (185, 278872), (220, 234506), (296, 174295), (370, 139436), (407, 126760), (440, 117253), (740, 69718), (814, 63380), (1480, 34859), (1628, 31690), (2035, 25352), (3169, 16280), (3256, 15845), (4070, 12676), (6338, 8140)]