201842680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{388159}}^1$

素因数の和:388183

約数の個数: 32

約数和(自身を含む): 489081600

約数和(自身を除く): 287238920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 388159, 776318, 1552636, 1940795, 3105272, 3881590, 5046067, 7763180, 10092134, 15526360, 20184268, 25230335, 40368536, 50460670, 100921340, 201842680]

約数ペア:

[(1, 201842680), (2, 100921340), (4, 50460670), (5, 40368536), (8, 25230335), (10, 20184268), (13, 15526360), (20, 10092134), (26, 7763180), (40, 5046067), (52, 3881590), (65, 3105272), (104, 1940795), (130, 1552636), (260, 776318), (520, 388159)]