8214220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2551}}^1$

素因数の和:2590

約数の個数: 48

約数和(自身を含む): 20579328

約数和(自身を除く): 12365108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 2551, 3220, 5102, 10204, 12755, 17857, 25510, 35714, 51020, 58673, 71428, 89285, 117346, 178570, 234692, 293365, 357140, 410711, 586730, 821422, 1173460, 1642844, 2053555, 4107110, 8214220]

約数ペア:

[(1, 8214220), (2, 4107110), (4, 2053555), (5, 1642844), (7, 1173460), (10, 821422), (14, 586730), (20, 410711), (23, 357140), (28, 293365), (35, 234692), (46, 178570), (70, 117346), (92, 89285), (115, 71428), (140, 58673), (161, 51020), (230, 35714), (322, 25510), (460, 17857), (644, 12755), (805, 10204), (1610, 5102), (2551, 3220)]