40661560

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1879}}^1$

素因数の和:2431

約数の個数: 32

約数和(自身を含む): 91706400

約数和(自身を除く): 51044840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 1879, 2164, 2705, 3758, 4328, 5410, 7516, 9395, 10820, 15032, 18790, 21640, 37580, 75160, 1016539, 2033078, 4066156, 5082695, 8132312, 10165390, 20330780, 40661560]

約数ペア:

[(1, 40661560), (2, 20330780), (4, 10165390), (5, 8132312), (8, 5082695), (10, 4066156), (20, 2033078), (40, 1016539), (541, 75160), (1082, 37580), (1879, 21640), (2164, 18790), (2705, 15032), (3758, 10820), (4328, 9395), (5410, 7516)]