61205920

素因数分解:

$2^5\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1381}}^1$

素因数の和:1673

約数の個数: 48

約数和(自身を含む): 145226088

約数和(自身を除く): 84020168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 277, 554, 1108, 1381, 1385, 2216, 2762, 2770, 4432, 5524, 5540, 6905, 8864, 11048, 11080, 13810, 22096, 22160, 27620, 44192, 44320, 55240, 110480, 220960, 382537, 765074, 1530148, 1912685, 3060296, 3825370, 6120592, 7650740, 12241184, 15301480, 30602960, 61205920]

約数ペア:

[(1, 61205920), (2, 30602960), (4, 15301480), (5, 12241184), (8, 7650740), (10, 6120592), (16, 3825370), (20, 3060296), (32, 1912685), (40, 1530148), (80, 765074), (160, 382537), (277, 220960), (554, 110480), (1108, 55240), (1381, 44320), (1385, 44192), (2216, 27620), (2762, 22160), (2770, 22096), (4432, 13810), (5524, 11080), (5540, 11048), (6905, 8864)]