156717266875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{1621}}^1$

素因数の和:1890

約数の個数: 80

約数和(自身を含む): 215231328928

約数和(自身を除く): 58514062053

約数列:

[1, 5, 13, 25, 65, 73, 125, 163, 325, 365, 625, 815, 949, 1621, 1625, 1825, 2119, 4075, 4745, 8105, 8125, 9125, 10595, 11899, 20375, 21073, 23725, 40525, 45625, 52975, 59495, 101875, 105365, 118333, 118625, 154687, 202625, 264223, 264875, 297475, 526825, 591665, 593125, 773435, 1013125, 1321115, 1324375, 1487375, 1538329, 2634125, 2958325, 3434899, 3867175, 6605575, 7436875, 7691645, 13170625, 14791625, 17174495, 19288279, 19335875, 33027875, 38458225, 73958125, 85872475, 96441395, 96679375, 165139375, 192291125, 250747627, 429362375, 482206975, 961455625, 1253738135, 2146811875, 2411034875, 6268690675, 12055174375, 31343453375, 156717266875]

約数ペア:

[(1, 156717266875), (5, 31343453375), (13, 12055174375), (25, 6268690675), (65, 2411034875), (73, 2146811875), (125, 1253738135), (163, 961455625), (325, 482206975), (365, 429362375), (625, 250747627), (815, 192291125), (949, 165139375), (1621, 96679375), (1625, 96441395), (1825, 85872475), (2119, 73958125), (4075, 38458225), (4745, 33027875), (8105, 19335875), (8125, 19288279), (9125, 17174495), (10595, 14791625), (11899, 13170625), (20375, 7691645), (21073, 7436875), (23725, 6605575), (40525, 3867175), (45625, 3434899), (52975, 2958325), (59495, 2634125), (101875, 1538329), (105365, 1487375), (118333, 1324375), (118625, 1321115), (154687, 1013125), (202625, 773435), (264223, 593125), (264875, 591665), (297475, 526825)]