658340020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{87313}}^1$

素因数の和:87364

約数の個数: 48

約数和(自身を含む): 1540218960

約数和(自身を除く): 881878940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 87313, 174626, 349252, 436565, 873130, 1135069, 1746260, 2270138, 2532077, 4540276, 5064154, 5675345, 10128308, 11350690, 12660385, 22701380, 25320770, 32917001, 50641540, 65834002, 131668004, 164585005, 329170010, 658340020]

約数ペア:

[(1, 658340020), (2, 329170010), (4, 164585005), (5, 131668004), (10, 65834002), (13, 50641540), (20, 32917001), (26, 25320770), (29, 22701380), (52, 12660385), (58, 11350690), (65, 10128308), (116, 5675345), (130, 5064154), (145, 4540276), (260, 2532077), (290, 2270138), (377, 1746260), (580, 1135069), (754, 873130), (1508, 436565), (1885, 349252), (3770, 174626), (7540, 87313)]