40389344

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:723

約数の個数: 48

約数和(自身を含む): 83553120

約数和(自身を除く): 43163776

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 71, 116, 142, 232, 284, 464, 568, 613, 928, 1136, 1226, 2059, 2272, 2452, 4118, 4904, 8236, 9808, 16472, 17777, 19616, 32944, 35554, 43523, 65888, 71108, 87046, 142216, 174092, 284432, 348184, 568864, 696368, 1262167, 1392736, 2524334, 5048668, 10097336, 20194672, 40389344]

約数ペア:

[(1, 40389344), (2, 20194672), (4, 10097336), (8, 5048668), (16, 2524334), (29, 1392736), (32, 1262167), (58, 696368), (71, 568864), (116, 348184), (142, 284432), (232, 174092), (284, 142216), (464, 87046), (568, 71108), (613, 65888), (928, 43523), (1136, 35554), (1226, 32944), (2059, 19616), (2272, 17777), (2452, 16472), (4118, 9808), (4904, 8236)]