55881560

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{4073}}^1$

素因数の和:4105

約数の個数: 64

約数和(自身を含む): 146664000

約数和(自身を除く): 90782440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 4073, 6860, 8146, 13720, 16292, 20365, 28511, 32584, 40730, 57022, 81460, 114044, 142555, 162920, 199577, 228088, 285110, 399154, 570220, 798308, 997885, 1140440, 1397039, 1596616, 1995770, 2794078, 3991540, 5588156, 6985195, 7983080, 11176312, 13970390, 27940780, 55881560]

約数ペア:

[(1, 55881560), (2, 27940780), (4, 13970390), (5, 11176312), (7, 7983080), (8, 6985195), (10, 5588156), (14, 3991540), (20, 2794078), (28, 1995770), (35, 1596616), (40, 1397039), (49, 1140440), (56, 997885), (70, 798308), (98, 570220), (140, 399154), (196, 285110), (245, 228088), (280, 199577), (343, 162920), (392, 142555), (490, 114044), (686, 81460), (980, 57022), (1372, 40730), (1715, 32584), (1960, 28511), (2744, 20365), (3430, 16292), (4073, 13720), (6860, 8146)]