80358280

素因数分解:

$2^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{4339}}^1$

素因数の和:4813

約数の個数: 32

約数和(自身を含む): 181238400

約数和(自身を除く): 100880120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 463, 926, 1852, 2315, 3704, 4339, 4630, 8678, 9260, 17356, 18520, 21695, 34712, 43390, 86780, 173560, 2008957, 4017914, 8035828, 10044785, 16071656, 20089570, 40179140, 80358280]

約数ペア:

[(1, 80358280), (2, 40179140), (4, 20089570), (5, 16071656), (8, 10044785), (10, 8035828), (20, 4017914), (40, 2008957), (463, 173560), (926, 86780), (1852, 43390), (2315, 34712), (3704, 21695), (4339, 18520), (4630, 17356), (8678, 9260)]