91461640

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{13217}}^1$

素因数の和:13401

約数の個数: 32

約数和(自身を含む): 206993880

約数和(自身を除く): 115532240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 13217, 26434, 52868, 66085, 105736, 132170, 264340, 528680, 2286541, 4573082, 9146164, 11432705, 18292328, 22865410, 45730820, 91461640]

約数ペア:

[(1, 91461640), (2, 45730820), (4, 22865410), (5, 18292328), (8, 11432705), (10, 9146164), (20, 4573082), (40, 2286541), (173, 528680), (346, 264340), (692, 132170), (865, 105736), (1384, 66085), (1730, 52868), (3460, 26434), (6920, 13217)]