12281250625

素因数分解:

$5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1091}}^1$

素因数の和:1232

約数の個数: 80

約数和(自身を含む): 18339729408

約数和(自身を除く): 6058478783

約数列:

[1, 5, 7, 25, 31, 35, 83, 125, 155, 175, 217, 415, 581, 625, 775, 875, 1085, 1091, 2075, 2573, 2905, 3875, 4375, 5425, 5455, 7637, 10375, 12865, 14525, 18011, 19375, 27125, 27275, 33821, 38185, 51875, 64325, 72625, 90055, 90553, 135625, 136375, 169105, 190925, 236747, 321625, 363125, 450275, 452765, 633871, 681875, 845525, 954625, 1183735, 1608125, 2251375, 2263825, 2807143, 3169355, 4227625, 4773125, 5918675, 11256875, 11319125, 14035715, 15846775, 19650001, 21138125, 29593375, 56595625, 70178575, 79233875, 98250005, 147966875, 350892875, 396169375, 491250025, 1754464375, 2456250125, 12281250625]

約数ペア:

[(1, 12281250625), (5, 2456250125), (7, 1754464375), (25, 491250025), (31, 396169375), (35, 350892875), (83, 147966875), (125, 98250005), (155, 79233875), (175, 70178575), (217, 56595625), (415, 29593375), (581, 21138125), (625, 19650001), (775, 15846775), (875, 14035715), (1085, 11319125), (1091, 11256875), (2075, 5918675), (2573, 4773125), (2905, 4227625), (3875, 3169355), (4375, 2807143), (5425, 2263825), (5455, 2251375), (7637, 1608125), (10375, 1183735), (12865, 954625), (14525, 845525), (18011, 681875), (19375, 633871), (27125, 452765), (27275, 450275), (33821, 363125), (38185, 321625), (51875, 236747), (64325, 190925), (72625, 169105), (90055, 136375), (90553, 135625)]