40121680

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2081}}^1$

素因数の和:2335

約数の個数: 40

約数和(自身を含む): 93714984

約数和(自身を除く): 53593304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2081, 2410, 3856, 4162, 4820, 8324, 9640, 10405, 16648, 19280, 20810, 33296, 41620, 83240, 166480, 501521, 1003042, 2006084, 2507605, 4012168, 5015210, 8024336, 10030420, 20060840, 40121680]

約数ペア:

[(1, 40121680), (2, 20060840), (4, 10030420), (5, 8024336), (8, 5015210), (10, 4012168), (16, 2507605), (20, 2006084), (40, 1003042), (80, 501521), (241, 166480), (482, 83240), (964, 41620), (1205, 33296), (1928, 20810), (2081, 19280), (2410, 16648), (3856, 10405), (4162, 9640), (4820, 8324)]