2182725680

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{70139}}^1$

素因数の和:70541

約数の個数: 40

約数和(自身を含む): 5087955600

約数和(自身を除く): 2905229920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 3112, 3890, 6224, 7780, 15560, 31120, 70139, 140278, 280556, 350695, 561112, 701390, 1122224, 1402780, 2805560, 5611120, 27284071, 54568142, 109136284, 136420355, 218272568, 272840710, 436545136, 545681420, 1091362840, 2182725680]

約数ペア:

[(1, 2182725680), (2, 1091362840), (4, 545681420), (5, 436545136), (8, 272840710), (10, 218272568), (16, 136420355), (20, 109136284), (40, 54568142), (80, 27284071), (389, 5611120), (778, 2805560), (1556, 1402780), (1945, 1122224), (3112, 701390), (3890, 561112), (6224, 350695), (7780, 280556), (15560, 140278), (31120, 70139)]