888865720

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{52783}}^1$

素因数の和:53215

約数の個数: 32

約数和(自身を含む): 2004736320

約数和(自身を除く): 1115870600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 8420, 16840, 52783, 105566, 211132, 263915, 422264, 527830, 1055660, 2111320, 22221643, 44443286, 88886572, 111108215, 177773144, 222216430, 444432860, 888865720]

約数ペア:

[(1, 888865720), (2, 444432860), (4, 222216430), (5, 177773144), (8, 111108215), (10, 88886572), (20, 44443286), (40, 22221643), (421, 2111320), (842, 1055660), (1684, 527830), (2105, 422264), (3368, 263915), (4210, 211132), (8420, 105566), (16840, 52783)]