67871560

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{5527}}^1$

素因数の和:5845

約数の個数: 32

約数和(自身を含む): 153236160

約数和(自身を除く): 85364600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 5527, 6140, 11054, 12280, 22108, 27635, 44216, 55270, 110540, 221080, 1696789, 3393578, 6787156, 8483945, 13574312, 16967890, 33935780, 67871560]

約数ペア:

[(1, 67871560), (2, 33935780), (4, 16967890), (5, 13574312), (8, 8483945), (10, 6787156), (20, 3393578), (40, 1696789), (307, 221080), (614, 110540), (1228, 55270), (1535, 44216), (2456, 27635), (3070, 22108), (5527, 12280), (6140, 11054)]