64374440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2879}}^1$

素因数の和:2946

約数の個数: 64

約数和(自身を含む): 159667200

約数和(自身を除く): 95292760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 2879, 4472, 5590, 5758, 11180, 11516, 14395, 22360, 23032, 28790, 37427, 57580, 74854, 115160, 123797, 149708, 187135, 247594, 299416, 374270, 495188, 618985, 748540, 990376, 1237970, 1497080, 1609361, 2475940, 3218722, 4951880, 6437444, 8046805, 12874888, 16093610, 32187220, 64374440]

約数ペア:

[(1, 64374440), (2, 32187220), (4, 16093610), (5, 12874888), (8, 8046805), (10, 6437444), (13, 4951880), (20, 3218722), (26, 2475940), (40, 1609361), (43, 1497080), (52, 1237970), (65, 990376), (86, 748540), (104, 618985), (130, 495188), (172, 374270), (215, 299416), (260, 247594), (344, 187135), (430, 149708), (520, 123797), (559, 115160), (860, 74854), (1118, 57580), (1720, 37427), (2236, 28790), (2795, 23032), (2879, 22360), (4472, 14395), (5590, 11516), (5758, 11180)]