2420121625

素因数分解:

$5^3\times {\mathrm{61}}^1\times {\mathrm{503}}^1\times {\mathrm{631}}^1$

素因数の和:1210

約数の個数: 32

約数和(自身を含む): 3080802816

約数和(自身を除く): 660681191

約数列:

[1, 5, 25, 61, 125, 305, 503, 631, 1525, 2515, 3155, 7625, 12575, 15775, 30683, 38491, 62875, 78875, 153415, 192455, 317393, 767075, 962275, 1586965, 3835375, 4811375, 7934825, 19360973, 39674125, 96804865, 484024325, 2420121625]

約数ペア:

[(1, 2420121625), (5, 484024325), (25, 96804865), (61, 39674125), (125, 19360973), (305, 7934825), (503, 4811375), (631, 3835375), (1525, 1586965), (2515, 962275), (3155, 767075), (7625, 317393), (12575, 192455), (15775, 153415), (30683, 78875), (38491, 62875)]