346544120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{666431}}^1$

素因数の和:666455

約数の個数: 32

約数和(自身を含む): 839704320

約数和(自身を除く): 493160200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 666431, 1332862, 2665724, 3332155, 5331448, 6664310, 8663603, 13328620, 17327206, 26657240, 34654412, 43318015, 69308824, 86636030, 173272060, 346544120]

約数ペア:

[(1, 346544120), (2, 173272060), (4, 86636030), (5, 69308824), (8, 43318015), (10, 34654412), (13, 26657240), (20, 17327206), (26, 13328620), (40, 8663603), (52, 6664310), (65, 5331448), (104, 3332155), (130, 2665724), (260, 1332862), (520, 666431)]