2078485840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{5347}}^1$

素因数の和:5516

約数の個数: 80

約数和(自身を含む): 4989555648

約数和(自身を除く): 2911069808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 113, 172, 215, 226, 344, 430, 452, 565, 688, 860, 904, 1130, 1720, 1808, 2260, 3440, 4520, 4859, 5347, 9040, 9718, 10694, 19436, 21388, 24295, 26735, 38872, 42776, 48590, 53470, 77744, 85552, 97180, 106940, 194360, 213880, 229921, 388720, 427760, 459842, 604211, 919684, 1149605, 1208422, 1839368, 2299210, 2416844, 3021055, 3678736, 4598420, 4833688, 6042110, 9196840, 9667376, 12084220, 18393680, 24168440, 25981073, 48336880, 51962146, 103924292, 129905365, 207848584, 259810730, 415697168, 519621460, 1039242920, 2078485840]

約数ペア:

[(1, 2078485840), (2, 1039242920), (4, 519621460), (5, 415697168), (8, 259810730), (10, 207848584), (16, 129905365), (20, 103924292), (40, 51962146), (43, 48336880), (80, 25981073), (86, 24168440), (113, 18393680), (172, 12084220), (215, 9667376), (226, 9196840), (344, 6042110), (430, 4833688), (452, 4598420), (565, 3678736), (688, 3021055), (860, 2416844), (904, 2299210), (1130, 1839368), (1720, 1208422), (1808, 1149605), (2260, 919684), (3440, 604211), (4520, 459842), (4859, 427760), (5347, 388720), (9040, 229921), (9718, 213880), (10694, 194360), (19436, 106940), (21388, 97180), (24295, 85552), (26735, 77744), (38872, 53470), (42776, 48590)]