16250920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 42209280

約数和(自身を除く): 25958360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 457, 508, 635, 889, 914, 1016, 1270, 1778, 1828, 2285, 2540, 3199, 3556, 3656, 4445, 4570, 5080, 6398, 7112, 8890, 9140, 12796, 15995, 17780, 18280, 25592, 31990, 35560, 58039, 63980, 116078, 127960, 232156, 290195, 406273, 464312, 580390, 812546, 1160780, 1625092, 2031365, 2321560, 3250184, 4062730, 8125460, 16250920]

約数ペア:

[(1, 16250920), (2, 8125460), (4, 4062730), (5, 3250184), (7, 2321560), (8, 2031365), (10, 1625092), (14, 1160780), (20, 812546), (28, 580390), (35, 464312), (40, 406273), (56, 290195), (70, 232156), (127, 127960), (140, 116078), (254, 63980), (280, 58039), (457, 35560), (508, 31990), (635, 25592), (889, 18280), (914, 17780), (1016, 15995), (1270, 12796), (1778, 9140), (1828, 8890), (2285, 7112), (2540, 6398), (3199, 5080), (3556, 4570), (3656, 4445)]