9947680

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:881

約数の個数: 48

約数和(自身を含む): 23829120

約数和(自身を除く): 13881440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 787, 790, 1264, 1574, 1580, 2528, 3148, 3160, 3935, 6296, 6320, 7870, 12592, 12640, 15740, 25184, 31480, 62173, 62960, 124346, 125920, 248692, 310865, 497384, 621730, 994768, 1243460, 1989536, 2486920, 4973840, 9947680]

約数ペア:

[(1, 9947680), (2, 4973840), (4, 2486920), (5, 1989536), (8, 1243460), (10, 994768), (16, 621730), (20, 497384), (32, 310865), (40, 248692), (79, 125920), (80, 124346), (158, 62960), (160, 62173), (316, 31480), (395, 25184), (632, 15740), (787, 12640), (790, 12592), (1264, 7870), (1574, 6320), (1580, 6296), (2528, 3935), (3148, 3160)]