40543640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{547}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 97653600

約数和(自身を除く): 57109960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 109, 136, 170, 218, 340, 436, 545, 547, 680, 872, 1090, 1094, 1853, 2180, 2188, 2735, 3706, 4360, 4376, 5470, 7412, 9265, 9299, 10940, 14824, 18530, 18598, 21880, 37060, 37196, 46495, 59623, 74120, 74392, 92990, 119246, 185980, 238492, 298115, 371960, 476984, 596230, 1013591, 1192460, 2027182, 2384920, 4054364, 5067955, 8108728, 10135910, 20271820, 40543640]

約数ペア:

[(1, 40543640), (2, 20271820), (4, 10135910), (5, 8108728), (8, 5067955), (10, 4054364), (17, 2384920), (20, 2027182), (34, 1192460), (40, 1013591), (68, 596230), (85, 476984), (109, 371960), (136, 298115), (170, 238492), (218, 185980), (340, 119246), (436, 92990), (545, 74392), (547, 74120), (680, 59623), (872, 46495), (1090, 37196), (1094, 37060), (1853, 21880), (2180, 18598), (2188, 18530), (2735, 14824), (3706, 10940), (4360, 9299), (4376, 9265), (5470, 7412)]