55641140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 130394880

約数和(自身を除く): 74753740

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 43, 46, 58, 86, 92, 97, 115, 116, 145, 172, 194, 215, 230, 290, 388, 430, 460, 485, 580, 667, 860, 970, 989, 1247, 1334, 1940, 1978, 2231, 2494, 2668, 2813, 3335, 3956, 4171, 4462, 4945, 4988, 5626, 6235, 6670, 8342, 8924, 9890, 11155, 11252, 12470, 13340, 14065, 16684, 19780, 20855, 22310, 24940, 28130, 28681, 41710, 44620, 56260, 57362, 64699, 83420, 95933, 114724, 120959, 129398, 143405, 191866, 241918, 258796, 286810, 323495, 383732, 479665, 483836, 573620, 604795, 646990, 959330, 1209590, 1293980, 1918660, 2419180, 2782057, 5564114, 11128228, 13910285, 27820570, 55641140]

約数ペア:

[(1, 55641140), (2, 27820570), (4, 13910285), (5, 11128228), (10, 5564114), (20, 2782057), (23, 2419180), (29, 1918660), (43, 1293980), (46, 1209590), (58, 959330), (86, 646990), (92, 604795), (97, 573620), (115, 483836), (116, 479665), (145, 383732), (172, 323495), (194, 286810), (215, 258796), (230, 241918), (290, 191866), (388, 143405), (430, 129398), (460, 120959), (485, 114724), (580, 95933), (667, 83420), (860, 64699), (970, 57362), (989, 56260), (1247, 44620), (1334, 41710), (1940, 28681), (1978, 28130), (2231, 24940), (2494, 22310), (2668, 20855), (2813, 19780), (3335, 16684), (3956, 14065), (4171, 13340), (4462, 12470), (4945, 11252), (4988, 11155), (5626, 9890), (6235, 8924), (6670, 8342)]