131763640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{106261}}^1$

素因数の和:106303

約数の個数: 32

約数和(自身を含む): 306034560

約数和(自身を除く): 174270920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 106261, 212522, 425044, 531305, 850088, 1062610, 2125220, 3294091, 4250440, 6588182, 13176364, 16470455, 26352728, 32940910, 65881820, 131763640]

約数ペア:

[(1, 131763640), (2, 65881820), (4, 32940910), (5, 26352728), (8, 16470455), (10, 13176364), (20, 6588182), (31, 4250440), (40, 3294091), (62, 2125220), (124, 1062610), (155, 850088), (248, 531305), (310, 425044), (620, 212522), (1240, 106261)]