71324240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68581}}^1$

素因数の和:68607

約数の個数: 40

約数和(自身を含む): 178587528

約数和(自身を除く): 107263288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 68581, 137162, 274324, 342905, 548648, 685810, 891553, 1097296, 1371620, 1783106, 2743240, 3566212, 4457765, 5486480, 7132424, 8915530, 14264848, 17831060, 35662120, 71324240]

約数ペア:

[(1, 71324240), (2, 35662120), (4, 17831060), (5, 14264848), (8, 8915530), (10, 7132424), (13, 5486480), (16, 4457765), (20, 3566212), (26, 2743240), (40, 1783106), (52, 1371620), (65, 1097296), (80, 891553), (104, 685810), (130, 548648), (208, 342905), (260, 274324), (520, 137162), (1040, 68581)]