20220320

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2939}}^1$

素因数の和:2997

約数の個数: 48

約数和(自身を含む): 48898080

約数和(自身を除く): 28677760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 2939, 3440, 5878, 6880, 11756, 14695, 23512, 29390, 47024, 58780, 94048, 117560, 126377, 235120, 252754, 470240, 505508, 631885, 1011016, 1263770, 2022032, 2527540, 4044064, 5055080, 10110160, 20220320]

約数ペア:

[(1, 20220320), (2, 10110160), (4, 5055080), (5, 4044064), (8, 2527540), (10, 2022032), (16, 1263770), (20, 1011016), (32, 631885), (40, 505508), (43, 470240), (80, 252754), (86, 235120), (160, 126377), (172, 117560), (215, 94048), (344, 58780), (430, 47024), (688, 29390), (860, 23512), (1376, 14695), (1720, 11756), (2939, 6880), (3440, 5878)]