201742840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{387967}}^1$

素因数の和:387991

約数の個数: 32

約数和(自身を含む): 488839680

約数和(自身を除く): 287096840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 387967, 775934, 1551868, 1939835, 3103736, 3879670, 5043571, 7759340, 10087142, 15518680, 20174284, 25217855, 40348568, 50435710, 100871420, 201742840]

約数ペア:

[(1, 201742840), (2, 100871420), (4, 50435710), (5, 40348568), (8, 25217855), (10, 20174284), (13, 15518680), (20, 10087142), (26, 7759340), (40, 5043571), (52, 3879670), (65, 3103736), (104, 1939835), (130, 1551868), (260, 775934), (520, 387967)]