10226840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 25220160

約数和(自身を除く): 14993320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 277, 284, 355, 520, 554, 568, 710, 923, 1108, 1385, 1420, 1846, 2216, 2770, 2840, 3601, 3692, 4615, 5540, 7202, 7384, 9230, 11080, 14404, 18005, 18460, 19667, 28808, 36010, 36920, 39334, 72020, 78668, 98335, 144040, 157336, 196670, 255671, 393340, 511342, 786680, 1022684, 1278355, 2045368, 2556710, 5113420, 10226840]

約数ペア:

[(1, 10226840), (2, 5113420), (4, 2556710), (5, 2045368), (8, 1278355), (10, 1022684), (13, 786680), (20, 511342), (26, 393340), (40, 255671), (52, 196670), (65, 157336), (71, 144040), (104, 98335), (130, 78668), (142, 72020), (260, 39334), (277, 36920), (284, 36010), (355, 28808), (520, 19667), (554, 18460), (568, 18005), (710, 14404), (923, 11080), (1108, 9230), (1385, 7384), (1420, 7202), (1846, 5540), (2216, 4615), (2770, 3692), (2840, 3601)]