68283280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65657}}^1$

素因数の和:65683

約数の個数: 40

約数和(自身を含む): 170973432

約数和(自身を除く): 102690152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 65657, 131314, 262628, 328285, 525256, 656570, 853541, 1050512, 1313140, 1707082, 2626280, 3414164, 4267705, 5252560, 6828328, 8535410, 13656656, 17070820, 34141640, 68283280]

約数ペア:

[(1, 68283280), (2, 34141640), (4, 17070820), (5, 13656656), (8, 8535410), (10, 6828328), (13, 5252560), (16, 4267705), (20, 3414164), (26, 2626280), (40, 1707082), (52, 1313140), (65, 1050512), (80, 853541), (104, 656570), (130, 525256), (208, 328285), (260, 262628), (520, 131314), (1040, 65657)]