40064390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4051}}^1$

素因数の和:4124

約数の個数: 32

約数和(自身を含む): 77020416

約数和(自身を除く): 36956026

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4051, 4945, 8102, 9890, 20255, 40510, 93173, 174193, 186346, 348386, 465865, 870965, 931730, 1741930, 4006439, 8012878, 20032195, 40064390]

約数ペア:

[(1, 40064390), (2, 20032195), (5, 8012878), (10, 4006439), (23, 1741930), (43, 931730), (46, 870965), (86, 465865), (115, 348386), (215, 186346), (230, 174193), (430, 93173), (989, 40510), (1978, 20255), (4051, 9890), (4945, 8102)]