71609680

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2039}}^1$

素因数の和:2491

約数の個数: 40

約数和(自身を含む): 166953600

約数和(自身を除く): 95343920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 878, 1756, 2039, 2195, 3512, 4078, 4390, 7024, 8156, 8780, 10195, 16312, 17560, 20390, 32624, 35120, 40780, 81560, 163120, 895121, 1790242, 3580484, 4475605, 7160968, 8951210, 14321936, 17902420, 35804840, 71609680]

約数ペア:

[(1, 71609680), (2, 35804840), (4, 17902420), (5, 14321936), (8, 8951210), (10, 7160968), (16, 4475605), (20, 3580484), (40, 1790242), (80, 895121), (439, 163120), (878, 81560), (1756, 40780), (2039, 35120), (2195, 32624), (3512, 20390), (4078, 17560), (4390, 16312), (7024, 10195), (8156, 8780)]