40350020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{953}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 88950960

約数和(自身を除く): 48600940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 953, 1460, 1906, 2117, 3812, 4234, 4765, 8468, 9530, 10585, 19060, 21170, 27637, 42340, 55274, 69569, 110548, 138185, 139138, 276370, 278276, 347845, 552740, 695690, 1391380, 2017501, 4035002, 8070004, 10087505, 20175010, 40350020]

約数ペア:

[(1, 40350020), (2, 20175010), (4, 10087505), (5, 8070004), (10, 4035002), (20, 2017501), (29, 1391380), (58, 695690), (73, 552740), (116, 347845), (145, 278276), (146, 276370), (290, 139138), (292, 138185), (365, 110548), (580, 69569), (730, 55274), (953, 42340), (1460, 27637), (1906, 21170), (2117, 19060), (3812, 10585), (4234, 9530), (4765, 8468)]