8786440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 21717360

約数和(自身を除く): 12930920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 277, 305, 488, 520, 554, 610, 793, 1108, 1220, 1385, 1586, 2216, 2440, 2770, 3172, 3601, 3965, 5540, 6344, 7202, 7930, 11080, 14404, 15860, 16897, 18005, 28808, 31720, 33794, 36010, 67588, 72020, 84485, 135176, 144040, 168970, 219661, 337940, 439322, 675880, 878644, 1098305, 1757288, 2196610, 4393220, 8786440]

約数ペア:

[(1, 8786440), (2, 4393220), (4, 2196610), (5, 1757288), (8, 1098305), (10, 878644), (13, 675880), (20, 439322), (26, 337940), (40, 219661), (52, 168970), (61, 144040), (65, 135176), (104, 84485), (122, 72020), (130, 67588), (244, 36010), (260, 33794), (277, 31720), (305, 28808), (488, 18005), (520, 16897), (554, 15860), (610, 14404), (793, 11080), (1108, 7930), (1220, 7202), (1385, 6344), (1586, 5540), (2216, 3965), (2440, 3601), (2770, 3172)]