201543920

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 479969280

約数和(自身を除く): 278425360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 127, 166, 239, 254, 332, 415, 478, 508, 635, 664, 830, 956, 1016, 1195, 1270, 1328, 1660, 1912, 2032, 2390, 2540, 3320, 3824, 4780, 5080, 6640, 9560, 10160, 10541, 19120, 19837, 21082, 30353, 39674, 42164, 52705, 60706, 79348, 84328, 99185, 105410, 121412, 151765, 158696, 168656, 198370, 210820, 242824, 303530, 317392, 396740, 421640, 485648, 607060, 793480, 843280, 1214120, 1586960, 2428240, 2519299, 5038598, 10077196, 12596495, 20154392, 25192990, 40308784, 50385980, 100771960, 201543920]

約数ペア:

[(1, 201543920), (2, 100771960), (4, 50385980), (5, 40308784), (8, 25192990), (10, 20154392), (16, 12596495), (20, 10077196), (40, 5038598), (80, 2519299), (83, 2428240), (127, 1586960), (166, 1214120), (239, 843280), (254, 793480), (332, 607060), (415, 485648), (478, 421640), (508, 396740), (635, 317392), (664, 303530), (830, 242824), (956, 210820), (1016, 198370), (1195, 168656), (1270, 158696), (1328, 151765), (1660, 121412), (1912, 105410), (2032, 99185), (2390, 84328), (2540, 79348), (3320, 60706), (3824, 52705), (4780, 42164), (5080, 39674), (6640, 30353), (9560, 21082), (10160, 19837), (10541, 19120)]