126937240

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{7759}}^1$

素因数の和:8179

約数の個数: 32

約数和(自身を含む): 286344000

約数和(自身を除く): 159406760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 7759, 8180, 15518, 16360, 31036, 38795, 62072, 77590, 155180, 310360, 3173431, 6346862, 12693724, 15867155, 25387448, 31734310, 63468620, 126937240]

約数ペア:

[(1, 126937240), (2, 63468620), (4, 31734310), (5, 25387448), (8, 15867155), (10, 12693724), (20, 6346862), (40, 3173431), (409, 310360), (818, 155180), (1636, 77590), (2045, 62072), (3272, 38795), (4090, 31036), (7759, 16360), (8180, 15518)]