4887760

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:691

約数の個数: 40

約数和(自身を含む): 11490336

約数和(自身を除く): 6602576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 571, 856, 1070, 1142, 1712, 2140, 2284, 2855, 4280, 4568, 5710, 8560, 9136, 11420, 22840, 45680, 61097, 122194, 244388, 305485, 488776, 610970, 977552, 1221940, 2443880, 4887760]

約数ペア:

[(1, 4887760), (2, 2443880), (4, 1221940), (5, 977552), (8, 610970), (10, 488776), (16, 305485), (20, 244388), (40, 122194), (80, 61097), (107, 45680), (214, 22840), (428, 11420), (535, 9136), (571, 8560), (856, 5710), (1070, 4568), (1142, 4280), (1712, 2855), (2140, 2284)]