55728440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 129548160

約数和(自身を除く): 73819720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 97, 106, 194, 212, 265, 271, 388, 424, 485, 530, 542, 776, 970, 1060, 1084, 1355, 1940, 2120, 2168, 2710, 3880, 5141, 5420, 10282, 10840, 14363, 20564, 25705, 26287, 28726, 41128, 51410, 52574, 57452, 71815, 102820, 105148, 114904, 131435, 143630, 205640, 210296, 262870, 287260, 525740, 574520, 1051480, 1393211, 2786422, 5572844, 6966055, 11145688, 13932110, 27864220, 55728440]

約数ペア:

[(1, 55728440), (2, 27864220), (4, 13932110), (5, 11145688), (8, 6966055), (10, 5572844), (20, 2786422), (40, 1393211), (53, 1051480), (97, 574520), (106, 525740), (194, 287260), (212, 262870), (265, 210296), (271, 205640), (388, 143630), (424, 131435), (485, 114904), (530, 105148), (542, 102820), (776, 71815), (970, 57452), (1060, 52574), (1084, 51410), (1355, 41128), (1940, 28726), (2120, 26287), (2168, 25705), (2710, 20564), (3880, 14363), (5141, 10840), (5420, 10282)]