20181870400

素因数分解:

$2^6\times 5^2\times {\mathrm{59}}^1\times {\mathrm{213791}}^1$

素因数の和:213872

約数の個数: 84

約数和(自身を含む): 50501946240

約数和(自身を除く): 30320075840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 59, 64, 80, 100, 118, 160, 200, 236, 295, 320, 400, 472, 590, 800, 944, 1180, 1475, 1600, 1888, 2360, 2950, 3776, 4720, 5900, 9440, 11800, 18880, 23600, 47200, 94400, 213791, 427582, 855164, 1068955, 1710328, 2137910, 3420656, 4275820, 5344775, 6841312, 8551640, 10689550, 12613669, 13682624, 17103280, 21379100, 25227338, 34206560, 42758200, 50454676, 63068345, 68413120, 85516400, 100909352, 126136690, 171032800, 201818704, 252273380, 315341725, 342065600, 403637408, 504546760, 630683450, 807274816, 1009093520, 1261366900, 2018187040, 2522733800, 4036374080, 5045467600, 10090935200, 20181870400]

約数ペア:

[(1, 20181870400), (2, 10090935200), (4, 5045467600), (5, 4036374080), (8, 2522733800), (10, 2018187040), (16, 1261366900), (20, 1009093520), (25, 807274816), (32, 630683450), (40, 504546760), (50, 403637408), (59, 342065600), (64, 315341725), (80, 252273380), (100, 201818704), (118, 171032800), (160, 126136690), (200, 100909352), (236, 85516400), (295, 68413120), (320, 63068345), (400, 50454676), (472, 42758200), (590, 34206560), (800, 25227338), (944, 21379100), (1180, 17103280), (1475, 13682624), (1600, 12613669), (1888, 10689550), (2360, 8551640), (2950, 6841312), (3776, 5344775), (4720, 4275820), (5900, 3420656), (9440, 2137910), (11800, 1710328), (18880, 1068955), (23600, 855164), (47200, 427582), (94400, 213791)]