25221625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 64

約数和(自身を含む): 39626496

約数和(自身を除く): 14404871

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 83, 85, 125, 143, 187, 221, 275, 325, 415, 425, 715, 913, 935, 1079, 1105, 1375, 1411, 1625, 2075, 2125, 2431, 3575, 4565, 4675, 5395, 5525, 7055, 10375, 11869, 12155, 15521, 17875, 18343, 22825, 23375, 26975, 27625, 35275, 59345, 60775, 77605, 91715, 114125, 134875, 176375, 201773, 296725, 303875, 388025, 458575, 1008865, 1483625, 1940125, 2292875, 5044325, 25221625]

約数ペア:

[(1, 25221625), (5, 5044325), (11, 2292875), (13, 1940125), (17, 1483625), (25, 1008865), (55, 458575), (65, 388025), (83, 303875), (85, 296725), (125, 201773), (143, 176375), (187, 134875), (221, 114125), (275, 91715), (325, 77605), (415, 60775), (425, 59345), (715, 35275), (913, 27625), (935, 26975), (1079, 23375), (1105, 22825), (1375, 18343), (1411, 17875), (1625, 15521), (2075, 12155), (2125, 11869), (2431, 10375), (3575, 7055), (4565, 5525), (4675, 5395)]