40005625

素因数分解:

$5^4\times {\mathrm{11}}^2\times {\mathrm{23}}^2$

素因数の和:88

約数の個数: 45

約数和(自身を含む): 57441769

約数和(自身を除く): 17436144

約数列:

[1, 5, 11, 23, 25, 55, 115, 121, 125, 253, 275, 529, 575, 605, 625, 1265, 1375, 2645, 2783, 2875, 3025, 5819, 6325, 6875, 13225, 13915, 14375, 15125, 29095, 31625, 64009, 66125, 69575, 75625, 145475, 158125, 320045, 330625, 347875, 727375, 1600225, 1739375, 3636875, 8001125, 40005625]

約数ペア:

[(1, 40005625), (5, 8001125), (11, 3636875), (23, 1739375), (25, 1600225), (55, 727375), (115, 347875), (121, 330625), (125, 320045), (253, 158125), (275, 145475), (529, 75625), (575, 69575), (605, 66125), (625, 64009), (1265, 31625), (1375, 29095), (2645, 15125), (2783, 14375), (2875, 13915), (3025, 13225), (5819, 6875)]