85879660

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{48247}}^1$

素因数の和:48345

約数の個数: 24

約数和(自身を含む): 182377440

約数和(自身を除く): 96497780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 48247, 96494, 192988, 241235, 482470, 964940, 4293983, 8587966, 17175932, 21469915, 42939830, 85879660]

約数ペア:

[(1, 85879660), (2, 42939830), (4, 21469915), (5, 17175932), (10, 8587966), (20, 4293983), (89, 964940), (178, 482470), (356, 241235), (445, 192988), (890, 96494), (1780, 48247)]