61637140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{8537}}^1$

素因数の和:8584

約数の個数: 36

約数和(自身を含む): 136625076

約数和(自身を除く): 74987936

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 8537, 17074, 34148, 42685, 85370, 162203, 170740, 324406, 648812, 811015, 1622030, 3081857, 3244060, 6163714, 12327428, 15409285, 30818570, 61637140]

約数ペア:

[(1, 61637140), (2, 30818570), (4, 15409285), (5, 12327428), (10, 6163714), (19, 3244060), (20, 3081857), (38, 1622030), (76, 811015), (95, 648812), (190, 324406), (361, 170740), (380, 162203), (722, 85370), (1444, 42685), (1805, 34148), (3610, 17074), (7220, 8537)]