214536920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{412571}}^1$

素因数の和:412595

約数の個数: 32

約数和(自身を含む): 519840720

約数和(自身を除く): 305303800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 412571, 825142, 1650284, 2062855, 3300568, 4125710, 5363423, 8251420, 10726846, 16502840, 21453692, 26817115, 42907384, 53634230, 107268460, 214536920]

約数ペア:

[(1, 214536920), (2, 107268460), (4, 53634230), (5, 42907384), (8, 26817115), (10, 21453692), (13, 16502840), (20, 10726846), (26, 8251420), (40, 5363423), (52, 4125710), (65, 3300568), (104, 2062855), (130, 1650284), (260, 825142), (520, 412571)]