28801640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3547}}^1$

素因数の和:3594

約数の個数: 64

約数和(自身を含む): 76636800

約数和(自身を除く): 47835160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 3547, 4060, 7094, 8120, 14188, 17735, 24829, 28376, 35470, 49658, 70940, 99316, 102863, 124145, 141880, 198632, 205726, 248290, 411452, 496580, 514315, 720041, 822904, 993160, 1028630, 1440082, 2057260, 2880164, 3600205, 4114520, 5760328, 7200410, 14400820, 28801640]

約数ペア:

[(1, 28801640), (2, 14400820), (4, 7200410), (5, 5760328), (7, 4114520), (8, 3600205), (10, 2880164), (14, 2057260), (20, 1440082), (28, 1028630), (29, 993160), (35, 822904), (40, 720041), (56, 514315), (58, 496580), (70, 411452), (116, 248290), (140, 205726), (145, 198632), (203, 141880), (232, 124145), (280, 102863), (290, 99316), (406, 70940), (580, 49658), (812, 35470), (1015, 28376), (1160, 24829), (1624, 17735), (2030, 14188), (3547, 8120), (4060, 7094)]