89032040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^2\times {\mathrm{281}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 203319180

約数和(自身を除く): 114287140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 281, 356, 445, 562, 712, 890, 1124, 1405, 1780, 2248, 2810, 3560, 5620, 7921, 11240, 15842, 25009, 31684, 39605, 50018, 63368, 79210, 100036, 125045, 158420, 200072, 250090, 316840, 500180, 1000360, 2225801, 4451602, 8903204, 11129005, 17806408, 22258010, 44516020, 89032040]

約数ペア:

[(1, 89032040), (2, 44516020), (4, 22258010), (5, 17806408), (8, 11129005), (10, 8903204), (20, 4451602), (40, 2225801), (89, 1000360), (178, 500180), (281, 316840), (356, 250090), (445, 200072), (562, 158420), (712, 125045), (890, 100036), (1124, 79210), (1405, 63368), (1780, 50018), (2248, 39605), (2810, 31684), (3560, 25009), (5620, 15842), (7921, 11240)]