56031560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{389}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 136609200

約数和(自身を除く): 80577640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 277, 389, 520, 554, 778, 1108, 1385, 1556, 1945, 2216, 2770, 3112, 3601, 3890, 5057, 5540, 7202, 7780, 10114, 11080, 14404, 15560, 18005, 20228, 25285, 28808, 36010, 40456, 50570, 72020, 101140, 107753, 144040, 202280, 215506, 431012, 538765, 862024, 1077530, 1400789, 2155060, 2801578, 4310120, 5603156, 7003945, 11206312, 14007890, 28015780, 56031560]

約数ペア:

[(1, 56031560), (2, 28015780), (4, 14007890), (5, 11206312), (8, 7003945), (10, 5603156), (13, 4310120), (20, 2801578), (26, 2155060), (40, 1400789), (52, 1077530), (65, 862024), (104, 538765), (130, 431012), (260, 215506), (277, 202280), (389, 144040), (520, 107753), (554, 101140), (778, 72020), (1108, 50570), (1385, 40456), (1556, 36010), (1945, 28808), (2216, 25285), (2770, 20228), (3112, 18005), (3601, 15560), (3890, 14404), (5057, 11080), (5540, 10114), (7202, 7780)]