91081640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2467}}^1$

素因数の和:2562

約数の個数: 64

約数和(自身を含む): 223896960

約数和(自身を除く): 132815320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1846, 2467, 2840, 3692, 4615, 4934, 7384, 9230, 9868, 12335, 18460, 19736, 24670, 32071, 36920, 49340, 64142, 98680, 128284, 160355, 175157, 256568, 320710, 350314, 641420, 700628, 875785, 1282840, 1401256, 1751570, 2277041, 3503140, 4554082, 7006280, 9108164, 11385205, 18216328, 22770410, 45540820, 91081640]

約数ペア:

[(1, 91081640), (2, 45540820), (4, 22770410), (5, 18216328), (8, 11385205), (10, 9108164), (13, 7006280), (20, 4554082), (26, 3503140), (40, 2277041), (52, 1751570), (65, 1401256), (71, 1282840), (104, 875785), (130, 700628), (142, 641420), (260, 350314), (284, 320710), (355, 256568), (520, 175157), (568, 160355), (710, 128284), (923, 98680), (1420, 64142), (1846, 49340), (2467, 36920), (2840, 32071), (3692, 24670), (4615, 19736), (4934, 18460), (7384, 12335), (9230, 9868)]