38241640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 90668160

約数和(自身を除く): 52426520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 197, 211, 230, 394, 422, 460, 788, 844, 920, 985, 1055, 1576, 1688, 1970, 2110, 3940, 4220, 4531, 4853, 7880, 8440, 9062, 9706, 18124, 19412, 22655, 24265, 36248, 38824, 41567, 45310, 48530, 83134, 90620, 97060, 166268, 181240, 194120, 207835, 332536, 415670, 831340, 956041, 1662680, 1912082, 3824164, 4780205, 7648328, 9560410, 19120820, 38241640]

約数ペア:

[(1, 38241640), (2, 19120820), (4, 9560410), (5, 7648328), (8, 4780205), (10, 3824164), (20, 1912082), (23, 1662680), (40, 956041), (46, 831340), (92, 415670), (115, 332536), (184, 207835), (197, 194120), (211, 181240), (230, 166268), (394, 97060), (422, 90620), (460, 83134), (788, 48530), (844, 45310), (920, 41567), (985, 38824), (1055, 36248), (1576, 24265), (1688, 22655), (1970, 19412), (2110, 18124), (3940, 9706), (4220, 9062), (4531, 8440), (4853, 7880)]