5287760

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:591

約数の個数: 40

約数和(自身を含む): 12401736

約数和(自身を除く): 7113976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 421, 628, 785, 842, 1256, 1570, 1684, 2105, 2512, 3140, 3368, 4210, 6280, 6736, 8420, 12560, 16840, 33680, 66097, 132194, 264388, 330485, 528776, 660970, 1057552, 1321940, 2643880, 5287760]

約数ペア:

[(1, 5287760), (2, 2643880), (4, 1321940), (5, 1057552), (8, 660970), (10, 528776), (16, 330485), (20, 264388), (40, 132194), (80, 66097), (157, 33680), (314, 16840), (421, 12560), (628, 8420), (785, 6736), (842, 6280), (1256, 4210), (1570, 3368), (1684, 3140), (2105, 2512)]