7869640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 19128960

約数和(自身を除く): 11259320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 163, 170, 284, 326, 340, 355, 568, 652, 680, 710, 815, 1207, 1304, 1420, 1630, 2414, 2771, 2840, 3260, 4828, 5542, 6035, 6520, 9656, 11084, 11573, 12070, 13855, 22168, 23146, 24140, 27710, 46292, 48280, 55420, 57865, 92584, 110840, 115730, 196741, 231460, 393482, 462920, 786964, 983705, 1573928, 1967410, 3934820, 7869640]

約数ペア:

[(1, 7869640), (2, 3934820), (4, 1967410), (5, 1573928), (8, 983705), (10, 786964), (17, 462920), (20, 393482), (34, 231460), (40, 196741), (68, 115730), (71, 110840), (85, 92584), (136, 57865), (142, 55420), (163, 48280), (170, 46292), (284, 27710), (326, 24140), (340, 23146), (355, 22168), (568, 13855), (652, 12070), (680, 11573), (710, 11084), (815, 9656), (1207, 6520), (1304, 6035), (1420, 5542), (1630, 4828), (2414, 3260), (2771, 2840)]