139380440

素因数分解:

$2^3\times 5^1\times {\mathrm{727}}^1\times {\mathrm{4793}}^1$

素因数の和:5531

約数の個数: 32

約数和(自身を含む): 314102880

約数和(自身を除く): 174722440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 727, 1454, 2908, 3635, 4793, 5816, 7270, 9586, 14540, 19172, 23965, 29080, 38344, 47930, 95860, 191720, 3484511, 6969022, 13938044, 17422555, 27876088, 34845110, 69690220, 139380440]

約数ペア:

[(1, 139380440), (2, 69690220), (4, 34845110), (5, 27876088), (8, 17422555), (10, 13938044), (20, 6969022), (40, 3484511), (727, 191720), (1454, 95860), (2908, 47930), (3635, 38344), (4793, 29080), (5816, 23965), (7270, 19172), (9586, 14540)]