42728560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1861}}^1$

素因数の和:1922

約数の個数: 80

約数和(自身を含む): 116367552

約数和(自身を除く): 73638992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 1861, 2296, 2870, 3280, 3722, 4592, 5740, 7444, 9305, 11480, 13027, 14888, 18610, 22960, 26054, 29776, 37220, 52108, 65135, 74440, 76301, 104216, 130270, 148880, 152602, 208432, 260540, 305204, 381505, 521080, 534107, 610408, 763010, 1042160, 1068214, 1220816, 1526020, 2136428, 2670535, 3052040, 4272856, 5341070, 6104080, 8545712, 10682140, 21364280, 42728560]

約数ペア:

[(1, 42728560), (2, 21364280), (4, 10682140), (5, 8545712), (7, 6104080), (8, 5341070), (10, 4272856), (14, 3052040), (16, 2670535), (20, 2136428), (28, 1526020), (35, 1220816), (40, 1068214), (41, 1042160), (56, 763010), (70, 610408), (80, 534107), (82, 521080), (112, 381505), (140, 305204), (164, 260540), (205, 208432), (280, 152602), (287, 148880), (328, 130270), (410, 104216), (560, 76301), (574, 74440), (656, 65135), (820, 52108), (1148, 37220), (1435, 29776), (1640, 26054), (1861, 22960), (2296, 18610), (2870, 14888), (3280, 13027), (3722, 11480), (4592, 9305), (5740, 7444)]