67653625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 100638720

約数和(自身を除く): 32985095

約数列:

[1, 5, 13, 17, 25, 31, 65, 79, 85, 125, 155, 221, 325, 395, 403, 425, 527, 775, 1027, 1105, 1343, 1625, 1975, 2015, 2125, 2449, 2635, 3875, 5135, 5525, 6715, 6851, 9875, 10075, 12245, 13175, 17459, 25675, 27625, 31837, 33575, 34255, 41633, 50375, 61225, 65875, 87295, 128375, 159185, 167875, 171275, 208165, 306125, 436475, 541229, 795925, 856375, 1040825, 2182375, 2706145, 3979625, 5204125, 13530725, 67653625]

約数ペア:

[(1, 67653625), (5, 13530725), (13, 5204125), (17, 3979625), (25, 2706145), (31, 2182375), (65, 1040825), (79, 856375), (85, 795925), (125, 541229), (155, 436475), (221, 306125), (325, 208165), (395, 171275), (403, 167875), (425, 159185), (527, 128375), (775, 87295), (1027, 65875), (1105, 61225), (1343, 50375), (1625, 41633), (1975, 34255), (2015, 33575), (2125, 31837), (2449, 27625), (2635, 25675), (3875, 17459), (5135, 13175), (5525, 12245), (6715, 10075), (6851, 9875)]