3640981480

素因数分解:

$2^3\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{70507}}^1$

素因数の和:71809

約数の個数: 32

約数和(自身を含む): 8198670240

約数和(自身を除く): 4557688760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1291, 2582, 5164, 6455, 10328, 12910, 25820, 51640, 70507, 141014, 282028, 352535, 564056, 705070, 1410140, 2820280, 91024537, 182049074, 364098148, 455122685, 728196296, 910245370, 1820490740, 3640981480]

約数ペア:

[(1, 3640981480), (2, 1820490740), (4, 910245370), (5, 728196296), (8, 455122685), (10, 364098148), (20, 182049074), (40, 91024537), (1291, 2820280), (2582, 1410140), (5164, 705070), (6455, 564056), (10328, 352535), (12910, 282028), (25820, 141014), (51640, 70507)]