79530920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{40577}}^1$

素因数の和:40602

約数の個数: 48

約数和(自身を含む): 208165140

約数和(自身を除く): 128634220

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 40577, 81154, 162308, 202885, 284039, 324616, 405770, 568078, 811540, 1136156, 1420195, 1623080, 1988273, 2272312, 2840390, 3976546, 5680780, 7953092, 9941365, 11361560, 15906184, 19882730, 39765460, 79530920]

約数ペア:

[(1, 79530920), (2, 39765460), (4, 19882730), (5, 15906184), (7, 11361560), (8, 9941365), (10, 7953092), (14, 5680780), (20, 3976546), (28, 2840390), (35, 2272312), (40, 1988273), (49, 1623080), (56, 1420195), (70, 1136156), (98, 811540), (140, 568078), (196, 405770), (245, 324616), (280, 284039), (392, 202885), (490, 162308), (980, 81154), (1960, 40577)]