39430625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:267

約数の個数: 40

約数和(自身を含む): 55632192

約数和(自身を除く): 16201567

約数列:

[1, 5, 13, 23, 25, 65, 115, 125, 211, 299, 325, 575, 625, 1055, 1495, 1625, 2743, 2875, 4853, 5275, 7475, 8125, 13715, 14375, 24265, 26375, 37375, 63089, 68575, 121325, 131875, 186875, 315445, 342875, 606625, 1577225, 1714375, 3033125, 7886125, 39430625]

約数ペア:

[(1, 39430625), (5, 7886125), (13, 3033125), (23, 1714375), (25, 1577225), (65, 606625), (115, 342875), (125, 315445), (211, 186875), (299, 131875), (325, 121325), (575, 68575), (625, 63089), (1055, 37375), (1495, 26375), (1625, 24265), (2743, 14375), (2875, 13715), (4853, 8125), (5275, 7475)]