20120031520

素因数分解:

$2^5\times 5^1\times {\mathrm{461}}^1\times {\mathrm{272777}}^1$

素因数の和:273253

約数の個数: 48

約数和(自身を含む): 47636858808

約数和(自身を除く): 27516827288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 461, 922, 1844, 2305, 3688, 4610, 7376, 9220, 14752, 18440, 36880, 73760, 272777, 545554, 1091108, 1363885, 2182216, 2727770, 4364432, 5455540, 8728864, 10911080, 21822160, 43644320, 125750197, 251500394, 503000788, 628750985, 1006001576, 1257501970, 2012003152, 2515003940, 4024006304, 5030007880, 10060015760, 20120031520]

約数ペア:

[(1, 20120031520), (2, 10060015760), (4, 5030007880), (5, 4024006304), (8, 2515003940), (10, 2012003152), (16, 1257501970), (20, 1006001576), (32, 628750985), (40, 503000788), (80, 251500394), (160, 125750197), (461, 43644320), (922, 21822160), (1844, 10911080), (2305, 8728864), (3688, 5455540), (4610, 4364432), (7376, 2727770), (9220, 2182216), (14752, 1363885), (18440, 1091108), (36880, 545554), (73760, 272777)]