40667840

素因数分解:

$2^6\times 5^1\times {\mathrm{167}}^1\times {\mathrm{761}}^1$

素因数の和:945

約数の個数: 56

約数和(自身を含む): 97548192

約数和(自身を除く): 56880352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 167, 320, 334, 668, 761, 835, 1336, 1522, 1670, 2672, 3044, 3340, 3805, 5344, 6088, 6680, 7610, 10688, 12176, 13360, 15220, 24352, 26720, 30440, 48704, 53440, 60880, 121760, 127087, 243520, 254174, 508348, 635435, 1016696, 1270870, 2033392, 2541740, 4066784, 5083480, 8133568, 10166960, 20333920, 40667840]

約数ペア:

[(1, 40667840), (2, 20333920), (4, 10166960), (5, 8133568), (8, 5083480), (10, 4066784), (16, 2541740), (20, 2033392), (32, 1270870), (40, 1016696), (64, 635435), (80, 508348), (160, 254174), (167, 243520), (320, 127087), (334, 121760), (668, 60880), (761, 53440), (835, 48704), (1336, 30440), (1522, 26720), (1670, 24352), (2672, 15220), (3044, 13360), (3340, 12176), (3805, 10688), (5344, 7610), (6088, 6680)]