2018961520

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1\times {\mathrm{503}}^1$

素因数の和:1030

約数の個数: 80

約数和(自身を含む): 4751695872

約数和(自身を除く): 2732734352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 383, 503, 524, 655, 766, 1006, 1048, 1310, 1532, 1915, 2012, 2096, 2515, 2620, 3064, 3830, 4024, 5030, 5240, 6128, 7660, 8048, 10060, 10480, 15320, 20120, 30640, 40240, 50173, 65893, 100346, 131786, 192649, 200692, 250865, 263572, 329465, 385298, 401384, 501730, 527144, 658930, 770596, 802768, 963245, 1003460, 1054288, 1317860, 1541192, 1926490, 2006920, 2635720, 3082384, 3852980, 4013840, 5271440, 7705960, 15411920, 25237019, 50474038, 100948076, 126185095, 201896152, 252370190, 403792304, 504740380, 1009480760, 2018961520]

約数ペア:

[(1, 2018961520), (2, 1009480760), (4, 504740380), (5, 403792304), (8, 252370190), (10, 201896152), (16, 126185095), (20, 100948076), (40, 50474038), (80, 25237019), (131, 15411920), (262, 7705960), (383, 5271440), (503, 4013840), (524, 3852980), (655, 3082384), (766, 2635720), (1006, 2006920), (1048, 1926490), (1310, 1541192), (1532, 1317860), (1915, 1054288), (2012, 1003460), (2096, 963245), (2515, 802768), (2620, 770596), (3064, 658930), (3830, 527144), (4024, 501730), (5030, 401384), (5240, 385298), (6128, 329465), (7660, 263572), (8048, 250865), (10060, 200692), (10480, 192649), (15320, 131786), (20120, 100346), (30640, 65893), (40240, 50173)]