39385840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37871}}^1$

素因数の和:37897

約数の個数: 40

約数和(自身を含む): 98618688

約数和(自身を除く): 59232848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 37871, 75742, 151484, 189355, 302968, 378710, 492323, 605936, 757420, 984646, 1514840, 1969292, 2461615, 3029680, 3938584, 4923230, 7877168, 9846460, 19692920, 39385840]

約数ペア:

[(1, 39385840), (2, 19692920), (4, 9846460), (5, 7877168), (8, 4923230), (10, 3938584), (13, 3029680), (16, 2461615), (20, 1969292), (26, 1514840), (40, 984646), (52, 757420), (65, 605936), (80, 492323), (104, 378710), (130, 302968), (208, 189355), (260, 151484), (520, 75742), (1040, 37871)]