2008879520

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{141073}}^1$

素因数の和:141177

約数の個数: 48

約数和(自身を含む): 4799337480

約数和(自身を除く): 2790457960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 7120, 14240, 141073, 282146, 564292, 705365, 1128584, 1410730, 2257168, 2821460, 4514336, 5642920, 11285840, 12555497, 22571680, 25110994, 50221988, 62777485, 100443976, 125554970, 200887952, 251109940, 401775904, 502219880, 1004439760, 2008879520]

約数ペア:

[(1, 2008879520), (2, 1004439760), (4, 502219880), (5, 401775904), (8, 251109940), (10, 200887952), (16, 125554970), (20, 100443976), (32, 62777485), (40, 50221988), (80, 25110994), (89, 22571680), (160, 12555497), (178, 11285840), (356, 5642920), (445, 4514336), (712, 2821460), (890, 2257168), (1424, 1410730), (1780, 1128584), (2848, 705365), (3560, 564292), (7120, 282146), (14240, 141073)]