814541650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{1549}}^1$

素因数の和:2383

約数の個数: 48

約数和(自身を含む): 1634661000

約数和(自身を除く): 820119350

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 809, 1549, 1618, 3098, 4045, 7745, 8090, 10517, 15490, 20137, 20225, 21034, 38725, 40274, 40450, 52585, 77450, 100685, 105170, 201370, 262925, 503425, 525850, 1006850, 1253141, 2506282, 6265705, 12531410, 16290833, 31328525, 32581666, 62657050, 81454165, 162908330, 407270825, 814541650]

約数ペア:

[(1, 814541650), (2, 407270825), (5, 162908330), (10, 81454165), (13, 62657050), (25, 32581666), (26, 31328525), (50, 16290833), (65, 12531410), (130, 6265705), (325, 2506282), (650, 1253141), (809, 1006850), (1549, 525850), (1618, 503425), (3098, 262925), (4045, 201370), (7745, 105170), (8090, 100685), (10517, 77450), (15490, 52585), (20137, 40450), (20225, 40274), (21034, 38725)]