54656875

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:102

約数の個数: 60

約数和(自身を含む): 86859696

約数和(自身を除く): 32202821

約数列:

[1, 5, 7, 13, 25, 31, 35, 65, 91, 125, 155, 175, 217, 325, 403, 455, 625, 775, 875, 961, 1085, 1625, 2015, 2275, 2821, 3875, 4375, 4805, 5425, 6727, 8125, 10075, 11375, 12493, 14105, 19375, 24025, 27125, 33635, 50375, 56875, 62465, 70525, 87451, 120125, 135625, 168175, 251875, 312325, 352625, 437255, 600625, 840875, 1561625, 1763125, 2186275, 4204375, 7808125, 10931375, 54656875]

約数ペア:

[(1, 54656875), (5, 10931375), (7, 7808125), (13, 4204375), (25, 2186275), (31, 1763125), (35, 1561625), (65, 840875), (91, 600625), (125, 437255), (155, 352625), (175, 312325), (217, 251875), (325, 168175), (403, 135625), (455, 120125), (625, 87451), (775, 70525), (875, 62465), (961, 56875), (1085, 50375), (1625, 33635), (2015, 27125), (2275, 24025), (2821, 19375), (3875, 14105), (4375, 12493), (4805, 11375), (5425, 10075), (6727, 8125)]