23759440

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 57853440

約数和(自身を除く): 34094000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 71, 80, 89, 94, 142, 178, 188, 235, 284, 355, 356, 376, 445, 470, 568, 710, 712, 752, 890, 940, 1136, 1420, 1424, 1780, 1880, 2840, 3337, 3560, 3760, 4183, 5680, 6319, 6674, 7120, 8366, 12638, 13348, 16685, 16732, 20915, 25276, 26696, 31595, 33370, 33464, 41830, 50552, 53392, 63190, 66740, 66928, 83660, 101104, 126380, 133480, 167320, 252760, 266960, 296993, 334640, 505520, 593986, 1187972, 1484965, 2375944, 2969930, 4751888, 5939860, 11879720, 23759440]

約数ペア:

[(1, 23759440), (2, 11879720), (4, 5939860), (5, 4751888), (8, 2969930), (10, 2375944), (16, 1484965), (20, 1187972), (40, 593986), (47, 505520), (71, 334640), (80, 296993), (89, 266960), (94, 252760), (142, 167320), (178, 133480), (188, 126380), (235, 101104), (284, 83660), (355, 66928), (356, 66740), (376, 63190), (445, 53392), (470, 50552), (568, 41830), (710, 33464), (712, 33370), (752, 31595), (890, 26696), (940, 25276), (1136, 20915), (1420, 16732), (1424, 16685), (1780, 13348), (1880, 12638), (2840, 8366), (3337, 7120), (3560, 6674), (3760, 6319), (4183, 5680)]