51145360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{91331}}^1$

素因数の和:91351

約数の個数: 40

約数和(自身を含む): 135902016

約数和(自身を除く): 84756656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 91331, 182662, 365324, 456655, 639317, 730648, 913310, 1278634, 1461296, 1826620, 2557268, 3196585, 3653240, 5114536, 6393170, 7306480, 10229072, 12786340, 25572680, 51145360]

約数ペア:

[(1, 51145360), (2, 25572680), (4, 12786340), (5, 10229072), (7, 7306480), (8, 6393170), (10, 5114536), (14, 3653240), (16, 3196585), (20, 2557268), (28, 1826620), (35, 1461296), (40, 1278634), (56, 913310), (70, 730648), (80, 639317), (112, 456655), (140, 365324), (280, 182662), (560, 91331)]