201149920

素因数分解:

$2^5\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1427}}^1$

素因数の和:2323

約数の個数: 48

約数和(自身を含む): 476089488

約数和(自身を除く): 274939568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 881, 1427, 1762, 2854, 3524, 4405, 5708, 7048, 7135, 8810, 11416, 14096, 14270, 17620, 22832, 28192, 28540, 35240, 45664, 57080, 70480, 114160, 140960, 228320, 1257187, 2514374, 5028748, 6285935, 10057496, 12571870, 20114992, 25143740, 40229984, 50287480, 100574960, 201149920]

約数ペア:

[(1, 201149920), (2, 100574960), (4, 50287480), (5, 40229984), (8, 25143740), (10, 20114992), (16, 12571870), (20, 10057496), (32, 6285935), (40, 5028748), (80, 2514374), (160, 1257187), (881, 228320), (1427, 140960), (1762, 114160), (2854, 70480), (3524, 57080), (4405, 45664), (5708, 35240), (7048, 28540), (7135, 28192), (8810, 22832), (11416, 17620), (14096, 14270)]