77957200

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2467}}^1$

素因数の和:2564

約数の個数: 60

約数和(自身を含む): 189739840

約数和(自身を除く): 111782640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 632, 790, 1264, 1580, 1975, 2467, 3160, 3950, 4934, 6320, 7900, 9868, 12335, 15800, 19736, 24670, 31600, 39472, 49340, 61675, 98680, 123350, 194893, 197360, 246700, 389786, 493400, 779572, 974465, 986800, 1559144, 1948930, 3118288, 3897860, 4872325, 7795720, 9744650, 15591440, 19489300, 38978600, 77957200]

約数ペア:

[(1, 77957200), (2, 38978600), (4, 19489300), (5, 15591440), (8, 9744650), (10, 7795720), (16, 4872325), (20, 3897860), (25, 3118288), (40, 1948930), (50, 1559144), (79, 986800), (80, 974465), (100, 779572), (158, 493400), (200, 389786), (316, 246700), (395, 197360), (400, 194893), (632, 123350), (790, 98680), (1264, 61675), (1580, 49340), (1975, 39472), (2467, 31600), (3160, 24670), (3950, 19736), (4934, 15800), (6320, 12335), (7900, 9868)]