200541640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{385657}}^1$

素因数の和:385681

約数の個数: 32

約数和(自身を含む): 485929080

約数和(自身を除く): 285387440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 385657, 771314, 1542628, 1928285, 3085256, 3856570, 5013541, 7713140, 10027082, 15426280, 20054164, 25067705, 40108328, 50135410, 100270820, 200541640]

約数ペア:

[(1, 200541640), (2, 100270820), (4, 50135410), (5, 40108328), (8, 25067705), (10, 20054164), (13, 15426280), (20, 10027082), (26, 7713140), (40, 5013541), (52, 3856570), (65, 3085256), (104, 1928285), (130, 1542628), (260, 771314), (520, 385657)]