87794860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71963}}^1$

素因数の和:72033

約数の個数: 24

約数和(自身を含む): 187394256

約数和(自身を除く): 99599396

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 71963, 143926, 287852, 359815, 719630, 1439260, 4389743, 8779486, 17558972, 21948715, 43897430, 87794860]

約数ペア:

[(1, 87794860), (2, 43897430), (4, 21948715), (5, 17558972), (10, 8779486), (20, 4389743), (61, 1439260), (122, 719630), (244, 359815), (305, 287852), (610, 143926), (1220, 71963)]