66402440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{461}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 161829360

約数和(自身を除く): 95426920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 277, 461, 520, 554, 922, 1108, 1385, 1844, 2216, 2305, 2770, 3601, 3688, 4610, 5540, 5993, 7202, 9220, 11080, 11986, 14404, 18005, 18440, 23972, 28808, 29965, 36010, 47944, 59930, 72020, 119860, 127697, 144040, 239720, 255394, 510788, 638485, 1021576, 1276970, 1660061, 2553940, 3320122, 5107880, 6640244, 8300305, 13280488, 16600610, 33201220, 66402440]

約数ペア:

[(1, 66402440), (2, 33201220), (4, 16600610), (5, 13280488), (8, 8300305), (10, 6640244), (13, 5107880), (20, 3320122), (26, 2553940), (40, 1660061), (52, 1276970), (65, 1021576), (104, 638485), (130, 510788), (260, 255394), (277, 239720), (461, 144040), (520, 127697), (554, 119860), (922, 72020), (1108, 59930), (1385, 47944), (1844, 36010), (2216, 29965), (2305, 28808), (2770, 23972), (3601, 18440), (3688, 18005), (4610, 14404), (5540, 11986), (5993, 11080), (7202, 9220)]