139448920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{268171}}^1$

素因数の和:268195

約数の個数: 32

約数和(自身を含む): 337896720

約数和(自身を除く): 198447800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 268171, 536342, 1072684, 1340855, 2145368, 2681710, 3486223, 5363420, 6972446, 10726840, 13944892, 17431115, 27889784, 34862230, 69724460, 139448920]

約数ペア:

[(1, 139448920), (2, 69724460), (4, 34862230), (5, 27889784), (8, 17431115), (10, 13944892), (13, 10726840), (20, 6972446), (26, 5363420), (40, 3486223), (52, 2681710), (65, 2145368), (104, 1340855), (130, 1072684), (260, 536342), (520, 268171)]