210035720

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{66467}}^1$

素因数の和:66557

約数の個数: 32

約数和(自身を含む): 478569600

約数和(自身を除く): 268533880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 66467, 132934, 265868, 332335, 531736, 664670, 1329340, 2658680, 5250893, 10501786, 21003572, 26254465, 42007144, 52508930, 105017860, 210035720]

約数ペア:

[(1, 210035720), (2, 105017860), (4, 52508930), (5, 42007144), (8, 26254465), (10, 21003572), (20, 10501786), (40, 5250893), (79, 2658680), (158, 1329340), (316, 664670), (395, 531736), (632, 332335), (790, 265868), (1580, 132934), (3160, 66467)]