393345160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{756433}}^1$

素因数の和:756457

約数の個数: 32

約数和(自身を含む): 953106840

約数和(自身を除く): 559761680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 756433, 1512866, 3025732, 3782165, 6051464, 7564330, 9833629, 15128660, 19667258, 30257320, 39334516, 49168145, 78669032, 98336290, 196672580, 393345160]

約数ペア:

[(1, 393345160), (2, 196672580), (4, 98336290), (5, 78669032), (8, 49168145), (10, 39334516), (13, 30257320), (20, 19667258), (26, 15128660), (40, 9833629), (52, 7564330), (65, 6051464), (104, 3782165), (130, 3025732), (260, 1512866), (520, 756433)]