79953640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153757}}^1$

素因数の和:153781

約数の個数: 32

約数和(自身を含む): 193735080

約数和(自身を除く): 113781440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 153757, 307514, 615028, 768785, 1230056, 1537570, 1998841, 3075140, 3997682, 6150280, 7995364, 9994205, 15990728, 19988410, 39976820, 79953640]

約数ペア:

[(1, 79953640), (2, 39976820), (4, 19988410), (5, 15990728), (8, 9994205), (10, 7995364), (13, 6150280), (20, 3997682), (26, 3075140), (40, 1998841), (52, 1537570), (65, 1230056), (104, 768785), (130, 615028), (260, 307514), (520, 153757)]