2742201040

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{88117}}^1$

素因数の和:88519

約数の個数: 40

約数和(自身を含む): 6392079720

約数和(自身を除く): 3649878680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 3112, 3890, 6224, 7780, 15560, 31120, 88117, 176234, 352468, 440585, 704936, 881170, 1409872, 1762340, 3524680, 7049360, 34277513, 68555026, 137110052, 171387565, 274220104, 342775130, 548440208, 685550260, 1371100520, 2742201040]

約数ペア:

[(1, 2742201040), (2, 1371100520), (4, 685550260), (5, 548440208), (8, 342775130), (10, 274220104), (16, 171387565), (20, 137110052), (40, 68555026), (80, 34277513), (389, 7049360), (778, 3524680), (1556, 1762340), (1945, 1409872), (3112, 881170), (3890, 704936), (6224, 440585), (7780, 352468), (15560, 176234), (31120, 88117)]