4151875

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:113

約数の個数: 40

約数和(自身を含む): 6472928

約数和(自身を除く): 2321053

約数列:

[1, 5, 7, 13, 25, 35, 65, 73, 91, 125, 175, 325, 365, 455, 511, 625, 875, 949, 1625, 1825, 2275, 2555, 4375, 4745, 6643, 8125, 9125, 11375, 12775, 23725, 33215, 45625, 56875, 63875, 118625, 166075, 319375, 593125, 830375, 4151875]

約数ペア:

[(1, 4151875), (5, 830375), (7, 593125), (13, 319375), (25, 166075), (35, 118625), (65, 63875), (73, 56875), (91, 45625), (125, 33215), (175, 23725), (325, 12775), (365, 11375), (455, 9125), (511, 8125), (625, 6643), (875, 4745), (949, 4375), (1625, 2555), (1825, 2275)]