89374840

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{3541}}^1$

素因数の和:4183

約数の個数: 32

約数和(自身を含む): 201468960

約数和(自身を除く): 112094120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 3541, 5048, 6310, 7082, 12620, 14164, 17705, 25240, 28328, 35410, 70820, 141640, 2234371, 4468742, 8937484, 11171855, 17874968, 22343710, 44687420, 89374840]

約数ペア:

[(1, 89374840), (2, 44687420), (4, 22343710), (5, 17874968), (8, 11171855), (10, 8937484), (20, 4468742), (40, 2234371), (631, 141640), (1262, 70820), (2524, 35410), (3155, 28328), (3541, 25240), (5048, 17705), (6310, 14164), (7082, 12620)]