810850625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4339}}^1$

素因数の和:4395

約数の個数: 40

約数和(自身を含む): 1138885440

約数和(自身を除く): 328034815

約数列:

[1, 5, 13, 23, 25, 65, 115, 125, 299, 325, 575, 625, 1495, 1625, 2875, 4339, 7475, 8125, 14375, 21695, 37375, 56407, 99797, 108475, 186875, 282035, 498985, 542375, 1297361, 1410175, 2494925, 2711875, 6486805, 7050875, 12474625, 32434025, 35254375, 62373125, 162170125, 810850625]

約数ペア:

[(1, 810850625), (5, 162170125), (13, 62373125), (23, 35254375), (25, 32434025), (65, 12474625), (115, 7050875), (125, 6486805), (299, 2711875), (325, 2494925), (575, 1410175), (625, 1297361), (1495, 542375), (1625, 498985), (2875, 282035), (4339, 186875), (7475, 108475), (8125, 99797), (14375, 56407), (21695, 37375)]