32201980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 69552000

約数和(自身を除く): 37350020

約数列:

[1, 2, 4, 5, 10, 20, 79, 89, 158, 178, 229, 316, 356, 395, 445, 458, 790, 890, 916, 1145, 1580, 1780, 2290, 4580, 7031, 14062, 18091, 20381, 28124, 35155, 36182, 40762, 70310, 72364, 81524, 90455, 101905, 140620, 180910, 203810, 361820, 407620, 1610099, 3220198, 6440396, 8050495, 16100990, 32201980]

約数ペア:

[(1, 32201980), (2, 16100990), (4, 8050495), (5, 6440396), (10, 3220198), (20, 1610099), (79, 407620), (89, 361820), (158, 203810), (178, 180910), (229, 140620), (316, 101905), (356, 90455), (395, 81524), (445, 72364), (458, 70310), (790, 40762), (890, 36182), (916, 35155), (1145, 28124), (1580, 20381), (1780, 18091), (2290, 14062), (4580, 7031)]