3971875

素因数分解:

$5^5\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:97

約数の個数: 24

約数和(自身を含む): 5249664

約数和(自身を除く): 1277789

約数列:

[1, 5, 25, 31, 41, 125, 155, 205, 625, 775, 1025, 1271, 3125, 3875, 5125, 6355, 19375, 25625, 31775, 96875, 128125, 158875, 794375, 3971875]

約数ペア:

[(1, 3971875), (5, 794375), (25, 158875), (31, 128125), (41, 96875), (125, 31775), (155, 25625), (205, 19375), (625, 6355), (775, 5125), (1025, 3875), (1271, 3125)]