39143240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 92828160

約数和(自身を除く): 53684920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 157, 184, 230, 271, 314, 460, 542, 628, 785, 920, 1084, 1256, 1355, 1570, 2168, 2710, 3140, 3611, 5420, 6233, 6280, 7222, 10840, 12466, 14444, 18055, 24932, 28888, 31165, 36110, 42547, 49864, 62330, 72220, 85094, 124660, 144440, 170188, 212735, 249320, 340376, 425470, 850940, 978581, 1701880, 1957162, 3914324, 4892905, 7828648, 9785810, 19571620, 39143240]

約数ペア:

[(1, 39143240), (2, 19571620), (4, 9785810), (5, 7828648), (8, 4892905), (10, 3914324), (20, 1957162), (23, 1701880), (40, 978581), (46, 850940), (92, 425470), (115, 340376), (157, 249320), (184, 212735), (230, 170188), (271, 144440), (314, 124660), (460, 85094), (542, 72220), (628, 62330), (785, 49864), (920, 42547), (1084, 36110), (1256, 31165), (1355, 28888), (1570, 24932), (2168, 18055), (2710, 14444), (3140, 12466), (3611, 10840), (5420, 7222), (6233, 6280)]