40665625

素因数分解:

$5^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2$

素因数の和:69

約数の個数: 72

約数和(自身を含む): 68620608

約数和(自身を除く): 27954983

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 125, 143, 169, 175, 275, 325, 385, 455, 625, 715, 845, 875, 1001, 1183, 1375, 1625, 1859, 1925, 2275, 3125, 3575, 4225, 4375, 5005, 5915, 6875, 8125, 9295, 9625, 11375, 13013, 17875, 21125, 21875, 25025, 29575, 34375, 40625, 46475, 48125, 56875, 65065, 89375, 105625, 125125, 147875, 232375, 240625, 284375, 325325, 446875, 528125, 625625, 739375, 1161875, 1626625, 3128125, 3696875, 5809375, 8133125, 40665625]

約数ペア:

[(1, 40665625), (5, 8133125), (7, 5809375), (11, 3696875), (13, 3128125), (25, 1626625), (35, 1161875), (55, 739375), (65, 625625), (77, 528125), (91, 446875), (125, 325325), (143, 284375), (169, 240625), (175, 232375), (275, 147875), (325, 125125), (385, 105625), (455, 89375), (625, 65065), (715, 56875), (845, 48125), (875, 46475), (1001, 40625), (1183, 34375), (1375, 29575), (1625, 25025), (1859, 21875), (1925, 21125), (2275, 17875), (3125, 13013), (3575, 11375), (4225, 9625), (4375, 9295), (5005, 8125), (5915, 6875)]