23238920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 54648000

約数和(自身を除く): 31409080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 59, 86, 118, 172, 215, 229, 236, 295, 344, 430, 458, 472, 590, 860, 916, 1145, 1180, 1720, 1832, 2290, 2360, 2537, 4580, 5074, 9160, 9847, 10148, 12685, 13511, 19694, 20296, 25370, 27022, 39388, 49235, 50740, 54044, 67555, 78776, 98470, 101480, 108088, 135110, 196940, 270220, 393880, 540440, 580973, 1161946, 2323892, 2904865, 4647784, 5809730, 11619460, 23238920]

約数ペア:

[(1, 23238920), (2, 11619460), (4, 5809730), (5, 4647784), (8, 2904865), (10, 2323892), (20, 1161946), (40, 580973), (43, 540440), (59, 393880), (86, 270220), (118, 196940), (172, 135110), (215, 108088), (229, 101480), (236, 98470), (295, 78776), (344, 67555), (430, 54044), (458, 50740), (472, 49235), (590, 39388), (860, 27022), (916, 25370), (1145, 20296), (1180, 19694), (1720, 13511), (1832, 12685), (2290, 10148), (2360, 9847), (2537, 9160), (4580, 5074)]