25328810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 53034912

約数和(自身を除く): 27706102

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 73, 85, 130, 146, 157, 170, 221, 314, 365, 442, 730, 785, 949, 1105, 1241, 1570, 1898, 2041, 2210, 2482, 2669, 4082, 4745, 5338, 6205, 9490, 10205, 11461, 12410, 13345, 16133, 20410, 22922, 26690, 32266, 34697, 57305, 69394, 80665, 114610, 148993, 161330, 173485, 194837, 297986, 346970, 389674, 744965, 974185, 1489930, 1948370, 2532881, 5065762, 12664405, 25328810]

約数ペア:

[(1, 25328810), (2, 12664405), (5, 5065762), (10, 2532881), (13, 1948370), (17, 1489930), (26, 974185), (34, 744965), (65, 389674), (73, 346970), (85, 297986), (130, 194837), (146, 173485), (157, 161330), (170, 148993), (221, 114610), (314, 80665), (365, 69394), (442, 57305), (730, 34697), (785, 32266), (949, 26690), (1105, 22922), (1241, 20410), (1570, 16133), (1898, 13345), (2041, 12410), (2210, 11461), (2482, 10205), (2669, 9490), (4082, 6205), (4745, 5338)]