78815120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24029}}^1$

素因数の和:24083

約数の個数: 40

約数和(自身を含む): 187722360

約数和(自身を除く): 108907240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 24029, 48058, 96116, 120145, 192232, 240290, 384464, 480580, 961160, 985189, 1922320, 1970378, 3940756, 4925945, 7881512, 9851890, 15763024, 19703780, 39407560, 78815120]

約数ペア:

[(1, 78815120), (2, 39407560), (4, 19703780), (5, 15763024), (8, 9851890), (10, 7881512), (16, 4925945), (20, 3940756), (40, 1970378), (41, 1922320), (80, 985189), (82, 961160), (164, 480580), (205, 384464), (328, 240290), (410, 192232), (656, 120145), (820, 96116), (1640, 48058), (3280, 24029)]