40249625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 64

約数和(自身を含む): 60383232

約数和(自身を除く): 20133607

約数列:

[1, 5, 13, 17, 25, 31, 47, 65, 85, 125, 155, 221, 235, 325, 403, 425, 527, 611, 775, 799, 1105, 1175, 1457, 1625, 2015, 2125, 2635, 3055, 3875, 3995, 5525, 5875, 6851, 7285, 10075, 10387, 13175, 15275, 18941, 19975, 24769, 27625, 34255, 36425, 50375, 51935, 65875, 76375, 94705, 99875, 123845, 171275, 182125, 259675, 321997, 473525, 619225, 856375, 1298375, 1609985, 2367625, 3096125, 8049925, 40249625]

約数ペア:

[(1, 40249625), (5, 8049925), (13, 3096125), (17, 2367625), (25, 1609985), (31, 1298375), (47, 856375), (65, 619225), (85, 473525), (125, 321997), (155, 259675), (221, 182125), (235, 171275), (325, 123845), (403, 99875), (425, 94705), (527, 76375), (611, 65875), (775, 51935), (799, 50375), (1105, 36425), (1175, 34255), (1457, 27625), (1625, 24769), (2015, 19975), (2125, 18941), (2635, 15275), (3055, 13175), (3875, 10387), (3995, 10075), (5525, 7285), (5875, 6851)]