65235625

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:108

約数の個数: 80

約数和(自身を含む): 106365952

約数和(自身を除く): 41130327

約数列:

[1, 5, 7, 13, 25, 31, 35, 37, 65, 91, 125, 155, 175, 185, 217, 259, 325, 403, 455, 481, 625, 775, 875, 925, 1085, 1147, 1295, 1625, 2015, 2275, 2405, 2821, 3367, 3875, 4375, 4625, 5425, 5735, 6475, 8029, 8125, 10075, 11375, 12025, 14105, 14911, 16835, 19375, 23125, 27125, 28675, 32375, 40145, 50375, 56875, 60125, 70525, 74555, 84175, 104377, 135625, 143375, 161875, 200725, 251875, 300625, 352625, 372775, 420875, 521885, 716875, 1003625, 1763125, 1863875, 2104375, 2609425, 5018125, 9319375, 13047125, 65235625]

約数ペア:

[(1, 65235625), (5, 13047125), (7, 9319375), (13, 5018125), (25, 2609425), (31, 2104375), (35, 1863875), (37, 1763125), (65, 1003625), (91, 716875), (125, 521885), (155, 420875), (175, 372775), (185, 352625), (217, 300625), (259, 251875), (325, 200725), (403, 161875), (455, 143375), (481, 135625), (625, 104377), (775, 84175), (875, 74555), (925, 70525), (1085, 60125), (1147, 56875), (1295, 50375), (1625, 40145), (2015, 32375), (2275, 28675), (2405, 27125), (2821, 23125), (3367, 19375), (3875, 16835), (4375, 14911), (4625, 14105), (5425, 12025), (5735, 11375), (6475, 10075), (8029, 8125)]