30860080

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3539}}^1$

素因数の和:3661

約数の個数: 40

約数和(自身を含む): 72428400

約数和(自身を除く): 41568320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 3539, 4360, 7078, 8720, 14156, 17695, 28312, 35390, 56624, 70780, 141560, 283120, 385751, 771502, 1543004, 1928755, 3086008, 3857510, 6172016, 7715020, 15430040, 30860080]

約数ペア:

[(1, 30860080), (2, 15430040), (4, 7715020), (5, 6172016), (8, 3857510), (10, 3086008), (16, 1928755), (20, 1543004), (40, 771502), (80, 385751), (109, 283120), (218, 141560), (436, 70780), (545, 56624), (872, 35390), (1090, 28312), (1744, 17695), (2180, 14156), (3539, 8720), (4360, 7078)]