262421510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{5009}}^1$

素因数の和:5073

約数の個数: 48

約数和(自身を含む): 528094080

約数和(自身を除く): 265672570

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1690, 2015, 4030, 5009, 5239, 10018, 10478, 25045, 26195, 50090, 52390, 65117, 130234, 155279, 310558, 325585, 651170, 776395, 846521, 1552790, 1693042, 2018627, 4037254, 4232605, 8465210, 10093135, 20186270, 26242151, 52484302, 131210755, 262421510]

約数ペア:

[(1, 262421510), (2, 131210755), (5, 52484302), (10, 26242151), (13, 20186270), (26, 10093135), (31, 8465210), (62, 4232605), (65, 4037254), (130, 2018627), (155, 1693042), (169, 1552790), (310, 846521), (338, 776395), (403, 651170), (806, 325585), (845, 310558), (1690, 155279), (2015, 130234), (4030, 65117), (5009, 52390), (5239, 50090), (10018, 26195), (10478, 25045)]