55974820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 134741376

約数和(自身を除く): 78766556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 61, 86, 97, 110, 122, 172, 194, 215, 220, 244, 305, 388, 430, 473, 485, 610, 671, 860, 946, 970, 1067, 1220, 1342, 1892, 1940, 2134, 2365, 2623, 2684, 3355, 4171, 4268, 4730, 5246, 5335, 5917, 6710, 8342, 9460, 10492, 10670, 11834, 13115, 13420, 16684, 20855, 21340, 23668, 26230, 28853, 29585, 41710, 45881, 52460, 57706, 59170, 65087, 83420, 91762, 115412, 118340, 130174, 144265, 183524, 229405, 254431, 260348, 288530, 325435, 458810, 508862, 577060, 650870, 917620, 1017724, 1272155, 1301740, 2544310, 2798741, 5088620, 5597482, 11194964, 13993705, 27987410, 55974820]

約数ペア:

[(1, 55974820), (2, 27987410), (4, 13993705), (5, 11194964), (10, 5597482), (11, 5088620), (20, 2798741), (22, 2544310), (43, 1301740), (44, 1272155), (55, 1017724), (61, 917620), (86, 650870), (97, 577060), (110, 508862), (122, 458810), (172, 325435), (194, 288530), (215, 260348), (220, 254431), (244, 229405), (305, 183524), (388, 144265), (430, 130174), (473, 118340), (485, 115412), (610, 91762), (671, 83420), (860, 65087), (946, 59170), (970, 57706), (1067, 52460), (1220, 45881), (1342, 41710), (1892, 29585), (1940, 28853), (2134, 26230), (2365, 23668), (2623, 21340), (2684, 20855), (3355, 16684), (4171, 13420), (4268, 13115), (4730, 11834), (5246, 10670), (5335, 10492), (5917, 9460), (6710, 8342)]