8259875

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:81

約数の個数: 48

約数和(自身を含む): 12332736

約数和(自身を除く): 4072861

約数列:

[1, 5, 13, 17, 23, 25, 65, 85, 115, 125, 169, 221, 299, 325, 391, 425, 575, 845, 1105, 1495, 1625, 1955, 2125, 2873, 2875, 3887, 4225, 5083, 5525, 7475, 9775, 14365, 19435, 21125, 25415, 27625, 37375, 48875, 66079, 71825, 97175, 127075, 330395, 359125, 485875, 635375, 1651975, 8259875]

約数ペア:

[(1, 8259875), (5, 1651975), (13, 635375), (17, 485875), (23, 359125), (25, 330395), (65, 127075), (85, 97175), (115, 71825), (125, 66079), (169, 48875), (221, 37375), (299, 27625), (325, 25415), (391, 21125), (425, 19435), (575, 14365), (845, 9775), (1105, 7475), (1495, 5525), (1625, 5083), (1955, 4225), (2125, 3887), (2873, 2875)]