40618280

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1877}}^1$

素因数の和:2429

約数の個数: 32

約数和(自身を含む): 91608840

約数和(自身を除く): 50990560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 1877, 2164, 2705, 3754, 4328, 5410, 7508, 9385, 10820, 15016, 18770, 21640, 37540, 75080, 1015457, 2030914, 4061828, 5077285, 8123656, 10154570, 20309140, 40618280]

約数ペア:

[(1, 40618280), (2, 20309140), (4, 10154570), (5, 8123656), (8, 5077285), (10, 4061828), (20, 2030914), (40, 1015457), (541, 75080), (1082, 37540), (1877, 21640), (2164, 18770), (2705, 15016), (3754, 10820), (4328, 9385), (5410, 7508)]