27991400

素因数分解:

$2^3\times 5^2\times {\mathrm{173}}^1\times {\mathrm{809}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 65537100

約数和(自身を除く): 37545700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 173, 200, 346, 692, 809, 865, 1384, 1618, 1730, 3236, 3460, 4045, 4325, 6472, 6920, 8090, 8650, 16180, 17300, 20225, 32360, 34600, 40450, 80900, 139957, 161800, 279914, 559828, 699785, 1119656, 1399570, 2799140, 3498925, 5598280, 6997850, 13995700, 27991400]

約数ペア:

[(1, 27991400), (2, 13995700), (4, 6997850), (5, 5598280), (8, 3498925), (10, 2799140), (20, 1399570), (25, 1119656), (40, 699785), (50, 559828), (100, 279914), (173, 161800), (200, 139957), (346, 80900), (692, 40450), (809, 34600), (865, 32360), (1384, 20225), (1618, 17300), (1730, 16180), (3236, 8650), (3460, 8090), (4045, 6920), (4325, 6472)]