51838840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{68209}}^1$

素因数の和:68239

約数の個数: 32

約数和(自身を含む): 122778000

約数和(自身を除く): 70939160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 68209, 136418, 272836, 341045, 545672, 682090, 1295971, 1364180, 2591942, 2728360, 5183884, 6479855, 10367768, 12959710, 25919420, 51838840]

約数ペア:

[(1, 51838840), (2, 25919420), (4, 12959710), (5, 10367768), (8, 6479855), (10, 5183884), (19, 2728360), (20, 2591942), (38, 1364180), (40, 1295971), (76, 682090), (95, 545672), (152, 341045), (190, 272836), (380, 136418), (760, 68209)]