80711930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 164505600

約数和(自身を除く): 83793670

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 79, 130, 145, 158, 271, 290, 377, 395, 542, 754, 790, 1027, 1355, 1885, 2054, 2291, 2710, 3523, 3770, 4582, 5135, 7046, 7859, 10270, 11455, 15718, 17615, 21409, 22910, 29783, 35230, 39295, 42818, 59566, 78590, 102167, 107045, 148915, 204334, 214090, 278317, 297830, 510835, 556634, 620861, 1021670, 1241722, 1391585, 2783170, 3104305, 6208610, 8071193, 16142386, 40355965, 80711930]

約数ペア:

[(1, 80711930), (2, 40355965), (5, 16142386), (10, 8071193), (13, 6208610), (26, 3104305), (29, 2783170), (58, 1391585), (65, 1241722), (79, 1021670), (130, 620861), (145, 556634), (158, 510835), (271, 297830), (290, 278317), (377, 214090), (395, 204334), (542, 148915), (754, 107045), (790, 102167), (1027, 78590), (1355, 59566), (1885, 42818), (2054, 39295), (2291, 35230), (2710, 29783), (3523, 22910), (3770, 21409), (4582, 17615), (5135, 15718), (7046, 11455), (7859, 10270)]