38998880

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3433}}^1$

素因数の和:3519

約数の個数: 48

約数和(自身を含む): 93459744

約数和(自身を除く): 54460864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 3433, 5680, 6866, 11360, 13732, 17165, 27464, 34330, 54928, 68660, 109856, 137320, 243743, 274640, 487486, 549280, 974972, 1218715, 1949944, 2437430, 3899888, 4874860, 7799776, 9749720, 19499440, 38998880]

約数ペア:

[(1, 38998880), (2, 19499440), (4, 9749720), (5, 7799776), (8, 4874860), (10, 3899888), (16, 2437430), (20, 1949944), (32, 1218715), (40, 974972), (71, 549280), (80, 487486), (142, 274640), (160, 243743), (284, 137320), (355, 109856), (568, 68660), (710, 54928), (1136, 34330), (1420, 27464), (2272, 17165), (2840, 13732), (3433, 11360), (5680, 6866)]