40738028

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{991}}^1$

素因数の和:1277

約数の個数: 24

約数和(自身を含む): 73328640

約数和(自身を除く): 32590612

約数列:

[1, 2, 4, 43, 86, 172, 239, 478, 956, 991, 1982, 3964, 10277, 20554, 41108, 42613, 85226, 170452, 236849, 473698, 947396, 10184507, 20369014, 40738028]

約数ペア:

[(1, 40738028), (2, 20369014), (4, 10184507), (43, 947396), (86, 473698), (172, 236849), (239, 170452), (478, 85226), (956, 42613), (991, 41108), (1982, 20554), (3964, 10277)]