4919080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3967}}^1$

素因数の和:4009

約数の個数: 32

約数和(自身を含む): 11427840

約数和(自身を除く): 6508760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 3967, 7934, 15868, 19835, 31736, 39670, 79340, 122977, 158680, 245954, 491908, 614885, 983816, 1229770, 2459540, 4919080]

約数ペア:

[(1, 4919080), (2, 2459540), (4, 1229770), (5, 983816), (8, 614885), (10, 491908), (20, 245954), (31, 158680), (40, 122977), (62, 79340), (124, 39670), (155, 31736), (248, 19835), (310, 15868), (620, 7934), (1240, 3967)]