82807280

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3307}}^1$

素因数の和:3633

約数の個数: 40

約数和(自身を含む): 193200432

約数和(自身を除く): 110393152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 2504, 3130, 3307, 5008, 6260, 6614, 12520, 13228, 16535, 25040, 26456, 33070, 52912, 66140, 132280, 264560, 1035091, 2070182, 4140364, 5175455, 8280728, 10350910, 16561456, 20701820, 41403640, 82807280]

約数ペア:

[(1, 82807280), (2, 41403640), (4, 20701820), (5, 16561456), (8, 10350910), (10, 8280728), (16, 5175455), (20, 4140364), (40, 2070182), (80, 1035091), (313, 264560), (626, 132280), (1252, 66140), (1565, 52912), (2504, 33070), (3130, 26456), (3307, 25040), (5008, 16535), (6260, 13228), (6614, 12520)]