1679223880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{5657}}^1$

素因数の和:5890

約数の個数: 64

約数和(自身を含む): 3892477680

約数和(自身を除く): 2213253800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 181, 205, 328, 362, 410, 724, 820, 905, 1448, 1640, 1810, 3620, 5657, 7240, 7421, 11314, 14842, 22628, 28285, 29684, 37105, 45256, 56570, 59368, 74210, 113140, 148420, 226280, 231937, 296840, 463874, 927748, 1023917, 1159685, 1855496, 2047834, 2319370, 4095668, 4638740, 5119585, 8191336, 9277480, 10239170, 20478340, 40956680, 41980597, 83961194, 167922388, 209902985, 335844776, 419805970, 839611940, 1679223880]

約数ペア:

[(1, 1679223880), (2, 839611940), (4, 419805970), (5, 335844776), (8, 209902985), (10, 167922388), (20, 83961194), (40, 41980597), (41, 40956680), (82, 20478340), (164, 10239170), (181, 9277480), (205, 8191336), (328, 5119585), (362, 4638740), (410, 4095668), (724, 2319370), (820, 2047834), (905, 1855496), (1448, 1159685), (1640, 1023917), (1810, 927748), (3620, 463874), (5657, 296840), (7240, 231937), (7421, 226280), (11314, 148420), (14842, 113140), (22628, 74210), (28285, 59368), (29684, 56570), (37105, 45256)]