80585375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 109601856

約数和(自身を除く): 29016481

約数列:

[1, 5, 13, 25, 65, 101, 125, 325, 491, 505, 1313, 1625, 2455, 2525, 6383, 6565, 12275, 12625, 31915, 32825, 49591, 61375, 159575, 164125, 247955, 644683, 797875, 1239775, 3223415, 6198875, 16117075, 80585375]

約数ペア:

[(1, 80585375), (5, 16117075), (13, 6198875), (25, 3223415), (65, 1239775), (101, 797875), (125, 644683), (325, 247955), (491, 164125), (505, 159575), (1313, 61375), (1625, 49591), (2455, 32825), (2525, 31915), (6383, 12625), (6565, 12275)]