40894945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{311}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 64366848

約数和(自身を除く): 23471903

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 289, 311, 455, 595, 1105, 1445, 1547, 1555, 2023, 2177, 3757, 4043, 5287, 7735, 10115, 10885, 18785, 20215, 26299, 26435, 28301, 37009, 68731, 89879, 131495, 141505, 185045, 343655, 449395, 481117, 629153, 1168427, 2405585, 3145765, 5842135, 8178989, 40894945]

約数ペア:

[(1, 40894945), (5, 8178989), (7, 5842135), (13, 3145765), (17, 2405585), (35, 1168427), (65, 629153), (85, 481117), (91, 449395), (119, 343655), (221, 185045), (289, 141505), (311, 131495), (455, 89879), (595, 68731), (1105, 37009), (1445, 28301), (1547, 26435), (1555, 26299), (2023, 20215), (2177, 18785), (3757, 10885), (4043, 10115), (5287, 7735)]