1987242340

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{197539}}^1$

素因数の和:198051

約数の個数: 24

約数和(自身を含む): 4181526720

約数和(自身を除く): 2194284380

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 5030, 10060, 197539, 395078, 790156, 987695, 1975390, 3950780, 99362117, 198724234, 397448468, 496810585, 993621170, 1987242340]

約数ペア:

[(1, 1987242340), (2, 993621170), (4, 496810585), (5, 397448468), (10, 198724234), (20, 99362117), (503, 3950780), (1006, 1975390), (2012, 987695), (2515, 790156), (5030, 395078), (10060, 197539)]