420080

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 40

約数和(自身を含む): 1004400

約数和(自身を除く): 584320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 89, 118, 178, 236, 295, 356, 445, 472, 590, 712, 890, 944, 1180, 1424, 1780, 2360, 3560, 4720, 5251, 7120, 10502, 21004, 26255, 42008, 52510, 84016, 105020, 210040, 420080]

約数ペア:

[(1, 420080), (2, 210040), (4, 105020), (5, 84016), (8, 52510), (10, 42008), (16, 26255), (20, 21004), (40, 10502), (59, 7120), (80, 5251), (89, 4720), (118, 3560), (178, 2360), (236, 1780), (295, 1424), (356, 1180), (445, 944), (472, 890), (590, 712)]