38021320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 89910000

約数和(自身を除く): 51888680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 73, 116, 145, 146, 232, 290, 292, 365, 449, 580, 584, 730, 898, 1160, 1460, 1796, 2117, 2245, 2920, 3592, 4234, 4490, 8468, 8980, 10585, 13021, 16936, 17960, 21170, 26042, 32777, 42340, 52084, 65105, 65554, 84680, 104168, 130210, 131108, 163885, 260420, 262216, 327770, 520840, 655540, 950533, 1311080, 1901066, 3802132, 4752665, 7604264, 9505330, 19010660, 38021320]

約数ペア:

[(1, 38021320), (2, 19010660), (4, 9505330), (5, 7604264), (8, 4752665), (10, 3802132), (20, 1901066), (29, 1311080), (40, 950533), (58, 655540), (73, 520840), (116, 327770), (145, 262216), (146, 260420), (232, 163885), (290, 131108), (292, 130210), (365, 104168), (449, 84680), (580, 65554), (584, 65105), (730, 52084), (898, 42340), (1160, 32777), (1460, 26042), (1796, 21170), (2117, 17960), (2245, 16936), (2920, 13021), (3592, 10585), (4234, 8980), (4490, 8468)]