157420625

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:323

約数の個数: 40

約数和(自身を含む): 210532608

約数和(自身を除く): 53111983

約数列:

[1, 5, 23, 25, 47, 115, 125, 233, 235, 575, 625, 1081, 1165, 1175, 2875, 5359, 5405, 5825, 5875, 10951, 14375, 26795, 27025, 29125, 29375, 54755, 133975, 135125, 145625, 251873, 273775, 669875, 675625, 1259365, 1368875, 3349375, 6296825, 6844375, 31484125, 157420625]

約数ペア:

[(1, 157420625), (5, 31484125), (23, 6844375), (25, 6296825), (47, 3349375), (115, 1368875), (125, 1259365), (233, 675625), (235, 669875), (575, 273775), (625, 251873), (1081, 145625), (1165, 135125), (1175, 133975), (2875, 54755), (5359, 29375), (5405, 29125), (5825, 27025), (5875, 26795), (10951, 14375)]