79828720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32189}}^1$

素因数の和:32233

約数の個数: 40

約数和(自身を含む): 191594880

約数和(自身を除く): 111766160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 32189, 64378, 128756, 160945, 257512, 321890, 515024, 643780, 997859, 1287560, 1995718, 2575120, 3991436, 4989295, 7982872, 9978590, 15965744, 19957180, 39914360, 79828720]

約数ペア:

[(1, 79828720), (2, 39914360), (4, 19957180), (5, 15965744), (8, 9978590), (10, 7982872), (16, 4989295), (20, 3991436), (31, 2575120), (40, 1995718), (62, 1287560), (80, 997859), (124, 643780), (155, 515024), (248, 321890), (310, 257512), (496, 160945), (620, 128756), (1240, 64378), (2480, 32189)]