2080402960

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1\times {\mathrm{349}}^1$

素因数の和:908

約数の個数: 80

約数和(自身を含む): 4886406000

約数和(自身を除く): 2806003040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 277, 349, 538, 554, 698, 1076, 1108, 1345, 1385, 1396, 1745, 2152, 2216, 2690, 2770, 2792, 3490, 4304, 4432, 5380, 5540, 5584, 6980, 10760, 11080, 13960, 21520, 22160, 27920, 74513, 93881, 96673, 149026, 187762, 193346, 298052, 372565, 375524, 386692, 469405, 483365, 596104, 745130, 751048, 773384, 938810, 966730, 1192208, 1490260, 1502096, 1546768, 1877620, 1933460, 2980520, 3755240, 3866920, 5961040, 7510480, 7733840, 26005037, 52010074, 104020148, 130025185, 208040296, 260050370, 416080592, 520100740, 1040201480, 2080402960]

約数ペア:

[(1, 2080402960), (2, 1040201480), (4, 520100740), (5, 416080592), (8, 260050370), (10, 208040296), (16, 130025185), (20, 104020148), (40, 52010074), (80, 26005037), (269, 7733840), (277, 7510480), (349, 5961040), (538, 3866920), (554, 3755240), (698, 2980520), (1076, 1933460), (1108, 1877620), (1345, 1546768), (1385, 1502096), (1396, 1490260), (1745, 1192208), (2152, 966730), (2216, 938810), (2690, 773384), (2770, 751048), (2792, 745130), (3490, 596104), (4304, 483365), (4432, 469405), (5380, 386692), (5540, 375524), (5584, 372565), (6980, 298052), (10760, 193346), (11080, 187762), (13960, 149026), (21520, 96673), (22160, 93881), (27920, 74513)]