42091720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{353}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 103991040

約数和(自身を除く): 61899320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 271, 353, 440, 542, 706, 1084, 1355, 1412, 1765, 2168, 2710, 2824, 2981, 3530, 3883, 5420, 5962, 7060, 7766, 10840, 11924, 14120, 14905, 15532, 19415, 23848, 29810, 31064, 38830, 59620, 77660, 95663, 119240, 155320, 191326, 382652, 478315, 765304, 956630, 1052293, 1913260, 2104586, 3826520, 4209172, 5261465, 8418344, 10522930, 21045860, 42091720]

約数ペア:

[(1, 42091720), (2, 21045860), (4, 10522930), (5, 8418344), (8, 5261465), (10, 4209172), (11, 3826520), (20, 2104586), (22, 1913260), (40, 1052293), (44, 956630), (55, 765304), (88, 478315), (110, 382652), (220, 191326), (271, 155320), (353, 119240), (440, 95663), (542, 77660), (706, 59620), (1084, 38830), (1355, 31064), (1412, 29810), (1765, 23848), (2168, 19415), (2710, 15532), (2824, 14905), (2981, 14120), (3530, 11924), (3883, 10840), (5420, 7766), (5962, 7060)]