200444920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{385471}}^1$

素因数の和:385495

約数の個数: 32

約数和(自身を含む): 485694720

約数和(自身を除く): 285249800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 385471, 770942, 1541884, 1927355, 3083768, 3854710, 5011123, 7709420, 10022246, 15418840, 20044492, 25055615, 40088984, 50111230, 100222460, 200444920]

約数ペア:

[(1, 200444920), (2, 100222460), (4, 50111230), (5, 40088984), (8, 25055615), (10, 20044492), (13, 15418840), (20, 10022246), (26, 7709420), (40, 5011123), (52, 3854710), (65, 3083768), (104, 1927355), (130, 1541884), (260, 770942), (520, 385471)]