11481860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 27054720

約数和(自身を除く): 15572860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 79, 86, 130, 158, 169, 172, 215, 260, 316, 338, 395, 430, 559, 676, 790, 845, 860, 1027, 1118, 1580, 1690, 2054, 2236, 2795, 3380, 3397, 4108, 5135, 5590, 6794, 7267, 10270, 11180, 13351, 13588, 14534, 16985, 20540, 26702, 29068, 33970, 36335, 44161, 53404, 66755, 67940, 72670, 88322, 133510, 145340, 176644, 220805, 267020, 441610, 574093, 883220, 1148186, 2296372, 2870465, 5740930, 11481860]

約数ペア:

[(1, 11481860), (2, 5740930), (4, 2870465), (5, 2296372), (10, 1148186), (13, 883220), (20, 574093), (26, 441610), (43, 267020), (52, 220805), (65, 176644), (79, 145340), (86, 133510), (130, 88322), (158, 72670), (169, 67940), (172, 66755), (215, 53404), (260, 44161), (316, 36335), (338, 33970), (395, 29068), (430, 26702), (559, 20540), (676, 16985), (790, 14534), (845, 13588), (860, 13351), (1027, 11180), (1118, 10270), (1580, 7267), (1690, 6794), (2054, 5590), (2236, 5135), (2795, 4108), (3380, 3397)]