26809720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{181}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 72465120

約数和(自身を除く): 45655400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 181, 184, 230, 280, 322, 362, 460, 529, 644, 724, 805, 905, 920, 1058, 1267, 1288, 1448, 1610, 1810, 2116, 2534, 2645, 3220, 3620, 3703, 4163, 4232, 5068, 5290, 6335, 6440, 7240, 7406, 8326, 10136, 10580, 12670, 14812, 16652, 18515, 20815, 21160, 25340, 29141, 29624, 33304, 37030, 41630, 50680, 58282, 74060, 83260, 95749, 116564, 145705, 148120, 166520, 191498, 233128, 291410, 382996, 478745, 582820, 670243, 765992, 957490, 1165640, 1340486, 1914980, 2680972, 3351215, 3829960, 5361944, 6702430, 13404860, 26809720]

約数ペア:

[(1, 26809720), (2, 13404860), (4, 6702430), (5, 5361944), (7, 3829960), (8, 3351215), (10, 2680972), (14, 1914980), (20, 1340486), (23, 1165640), (28, 957490), (35, 765992), (40, 670243), (46, 582820), (56, 478745), (70, 382996), (92, 291410), (115, 233128), (140, 191498), (161, 166520), (181, 148120), (184, 145705), (230, 116564), (280, 95749), (322, 83260), (362, 74060), (460, 58282), (529, 50680), (644, 41630), (724, 37030), (805, 33304), (905, 29624), (920, 29141), (1058, 25340), (1267, 21160), (1288, 20815), (1448, 18515), (1610, 16652), (1810, 14812), (2116, 12670), (2534, 10580), (2645, 10136), (3220, 8326), (3620, 7406), (3703, 7240), (4163, 6440), (4232, 6335), (5068, 5290)]