40020148

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23431}}^1$

素因数の和:23503

約数の個数: 24

約数和(自身を含む): 81355904

約数和(自身を除く): 41335756

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 23431, 46862, 93724, 164017, 328034, 656068, 1429291, 2858582, 5717164, 10005037, 20010074, 40020148]

約数ペア:

[(1, 40020148), (2, 20010074), (4, 10005037), (7, 5717164), (14, 2858582), (28, 1429291), (61, 656068), (122, 328034), (244, 164017), (427, 93724), (854, 46862), (1708, 23431)]