66574180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 143334576

約数和(自身を除く): 76760396

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 197, 244, 277, 305, 394, 554, 610, 788, 985, 1108, 1220, 1385, 1970, 2770, 3940, 5540, 12017, 16897, 24034, 33794, 48068, 54569, 60085, 67588, 84485, 109138, 120170, 168970, 218276, 240340, 272845, 337940, 545690, 1091380, 3328709, 6657418, 13314836, 16643545, 33287090, 66574180]

約数ペア:

[(1, 66574180), (2, 33287090), (4, 16643545), (5, 13314836), (10, 6657418), (20, 3328709), (61, 1091380), (122, 545690), (197, 337940), (244, 272845), (277, 240340), (305, 218276), (394, 168970), (554, 120170), (610, 109138), (788, 84485), (985, 67588), (1108, 60085), (1220, 54569), (1385, 48068), (1970, 33794), (2770, 24034), (3940, 16897), (5540, 12017)]