11917880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 96

約数和(自身を含む): 30436560

約数和(自身を除く): 18518680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 43, 52, 65, 82, 86, 104, 130, 164, 169, 172, 205, 215, 260, 328, 338, 344, 410, 430, 520, 533, 559, 676, 820, 845, 860, 1066, 1118, 1352, 1640, 1690, 1720, 1763, 2132, 2236, 2665, 2795, 3380, 3526, 4264, 4472, 5330, 5590, 6760, 6929, 7052, 7267, 8815, 10660, 11180, 13858, 14104, 14534, 17630, 21320, 22360, 22919, 27716, 29068, 34645, 35260, 36335, 45838, 55432, 58136, 69290, 70520, 72670, 91676, 114595, 138580, 145340, 183352, 229190, 277160, 290680, 297947, 458380, 595894, 916760, 1191788, 1489735, 2383576, 2979470, 5958940, 11917880]

約数ペア:

[(1, 11917880), (2, 5958940), (4, 2979470), (5, 2383576), (8, 1489735), (10, 1191788), (13, 916760), (20, 595894), (26, 458380), (40, 297947), (41, 290680), (43, 277160), (52, 229190), (65, 183352), (82, 145340), (86, 138580), (104, 114595), (130, 91676), (164, 72670), (169, 70520), (172, 69290), (205, 58136), (215, 55432), (260, 45838), (328, 36335), (338, 35260), (344, 34645), (410, 29068), (430, 27716), (520, 22919), (533, 22360), (559, 21320), (676, 17630), (820, 14534), (845, 14104), (860, 13858), (1066, 11180), (1118, 10660), (1352, 8815), (1640, 7267), (1690, 7052), (1720, 6929), (1763, 6760), (2132, 5590), (2236, 5330), (2665, 4472), (2795, 4264), (3380, 3526)]