31820750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{9791}}^1$

素因数の和:9821

約数の個数: 32

約数和(自身を含む): 64157184

約数和(自身を除く): 32336434

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 9791, 19582, 48955, 97910, 127283, 244775, 254566, 489550, 636415, 1223875, 1272830, 2447750, 3182075, 6364150, 15910375, 31820750]

約数ペア:

[(1, 31820750), (2, 15910375), (5, 6364150), (10, 3182075), (13, 2447750), (25, 1272830), (26, 1223875), (50, 636415), (65, 489550), (125, 254566), (130, 244775), (250, 127283), (325, 97910), (650, 48955), (1625, 19582), (3250, 9791)]