28458625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 38892672

約数和(自身を除く): 10434047

約数列:

[1, 5, 13, 25, 65, 83, 125, 211, 325, 415, 1055, 1079, 1625, 2075, 2743, 5275, 5395, 10375, 13715, 17513, 26375, 26975, 68575, 87565, 134875, 227669, 342875, 437825, 1138345, 2189125, 5691725, 28458625]

約数ペア:

[(1, 28458625), (5, 5691725), (13, 2189125), (25, 1138345), (65, 437825), (83, 342875), (125, 227669), (211, 134875), (325, 87565), (415, 68575), (1055, 26975), (1079, 26375), (1625, 17513), (2075, 13715), (2743, 10375), (5275, 5395)]