207910480

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{6481}}^1$

素因数の和:6895

約数の個数: 40

約数和(自身を含む): 484672104

約数和(自身を除く): 276761624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1604, 2005, 3208, 4010, 6416, 6481, 8020, 12962, 16040, 25924, 32080, 32405, 51848, 64810, 103696, 129620, 259240, 518480, 2598881, 5197762, 10395524, 12994405, 20791048, 25988810, 41582096, 51977620, 103955240, 207910480]

約数ペア:

[(1, 207910480), (2, 103955240), (4, 51977620), (5, 41582096), (8, 25988810), (10, 20791048), (16, 12994405), (20, 10395524), (40, 5197762), (80, 2598881), (401, 518480), (802, 259240), (1604, 129620), (2005, 103696), (3208, 64810), (4010, 51848), (6416, 32405), (6481, 32080), (8020, 25924), (12962, 16040)]