1423840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{809}}^1$

素因数の和:835

約数の個数: 48

約数和(自身を含む): 3674160

約数和(自身を除く): 2250320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 809, 880, 1618, 1760, 3236, 4045, 6472, 8090, 8899, 12944, 16180, 17798, 25888, 32360, 35596, 44495, 64720, 71192, 88990, 129440, 142384, 177980, 284768, 355960, 711920, 1423840]

約数ペア:

[(1, 1423840), (2, 711920), (4, 355960), (5, 284768), (8, 177980), (10, 142384), (11, 129440), (16, 88990), (20, 71192), (22, 64720), (32, 44495), (40, 35596), (44, 32360), (55, 25888), (80, 17798), (88, 16180), (110, 12944), (160, 8899), (176, 8090), (220, 6472), (352, 4045), (440, 3236), (809, 1760), (880, 1618)]