11100080

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1559}}^1$

素因数の和:1661

約数の個数: 40

約数和(自身を含む): 26114400

約数和(自身を除く): 15014320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1559, 1780, 3118, 3560, 6236, 7120, 7795, 12472, 15590, 24944, 31180, 62360, 124720, 138751, 277502, 555004, 693755, 1110008, 1387510, 2220016, 2775020, 5550040, 11100080]

約数ペア:

[(1, 11100080), (2, 5550040), (4, 2775020), (5, 2220016), (8, 1387510), (10, 1110008), (16, 693755), (20, 555004), (40, 277502), (80, 138751), (89, 124720), (178, 62360), (356, 31180), (445, 24944), (712, 15590), (890, 12472), (1424, 7795), (1559, 7120), (1780, 6236), (3118, 3560)]