208404320

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{42017}}^1$

素因数の和:42063

約数の個数: 48

約数和(自身を含む): 508249728

約数和(自身を除く): 299845408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 42017, 84034, 168068, 210085, 336136, 420170, 672272, 840340, 1302527, 1344544, 1680680, 2605054, 3361360, 5210108, 6512635, 6722720, 10420216, 13025270, 20840432, 26050540, 41680864, 52101080, 104202160, 208404320]

約数ペア:

[(1, 208404320), (2, 104202160), (4, 52101080), (5, 41680864), (8, 26050540), (10, 20840432), (16, 13025270), (20, 10420216), (31, 6722720), (32, 6512635), (40, 5210108), (62, 3361360), (80, 2605054), (124, 1680680), (155, 1344544), (160, 1302527), (248, 840340), (310, 672272), (496, 420170), (620, 336136), (992, 210085), (1240, 168068), (2480, 84034), (4960, 42017)]