71410625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:108

約数の個数: 80

約数和(自身を含む): 113363712

約数和(自身を除く): 41953087

約数列:

[1, 5, 11, 13, 17, 25, 47, 55, 65, 85, 125, 143, 187, 221, 235, 275, 325, 425, 517, 611, 625, 715, 799, 935, 1105, 1175, 1375, 1625, 2125, 2431, 2585, 3055, 3575, 3995, 4675, 5525, 5875, 6721, 6875, 8125, 8789, 10387, 10625, 12155, 12925, 15275, 17875, 19975, 23375, 27625, 29375, 33605, 43945, 51935, 60775, 64625, 76375, 89375, 99875, 114257, 116875, 138125, 168025, 219725, 259675, 303875, 323125, 381875, 499375, 571285, 840125, 1098625, 1298375, 1519375, 2856425, 4200625, 5493125, 6491875, 14282125, 71410625]

約数ペア:

[(1, 71410625), (5, 14282125), (11, 6491875), (13, 5493125), (17, 4200625), (25, 2856425), (47, 1519375), (55, 1298375), (65, 1098625), (85, 840125), (125, 571285), (143, 499375), (187, 381875), (221, 323125), (235, 303875), (275, 259675), (325, 219725), (425, 168025), (517, 138125), (611, 116875), (625, 114257), (715, 99875), (799, 89375), (935, 76375), (1105, 64625), (1175, 60775), (1375, 51935), (1625, 43945), (2125, 33605), (2431, 29375), (2585, 27625), (3055, 23375), (3575, 19975), (3995, 17875), (4675, 15275), (5525, 12925), (5875, 12155), (6721, 10625), (6875, 10387), (8125, 8789)]