1263886840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1663009}}^1$

素因数の和:1663039

約数の個数: 32

約数和(自身を含む): 2993418000

約数和(自身を除く): 1729531160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1663009, 3326018, 6652036, 8315045, 13304072, 16630090, 31597171, 33260180, 63194342, 66520360, 126388684, 157985855, 252777368, 315971710, 631943420, 1263886840]

約数ペア:

[(1, 1263886840), (2, 631943420), (4, 315971710), (5, 252777368), (8, 157985855), (10, 126388684), (19, 66520360), (20, 63194342), (38, 33260180), (40, 31597171), (76, 16630090), (95, 13304072), (152, 8315045), (190, 6652036), (380, 3326018), (760, 1663009)]