31108240

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1627}}^1$

素因数の和:1879

約数の個数: 40

約数和(自身を含む): 72673920

約数和(自身を除く): 41565680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1627, 1912, 2390, 3254, 3824, 4780, 6508, 8135, 9560, 13016, 16270, 19120, 26032, 32540, 65080, 130160, 388853, 777706, 1555412, 1944265, 3110824, 3888530, 6221648, 7777060, 15554120, 31108240]

約数ペア:

[(1, 31108240), (2, 15554120), (4, 7777060), (5, 6221648), (8, 3888530), (10, 3110824), (16, 1944265), (20, 1555412), (40, 777706), (80, 388853), (239, 130160), (478, 65080), (956, 32540), (1195, 26032), (1627, 19120), (1912, 16270), (2390, 13016), (3254, 9560), (3824, 8135), (4780, 6508)]