1316908540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1\times {\mathrm{2039}}^1$

素因数の和:2842

約数の個数: 48

約数和(自身を含む): 2834979840

約数和(自身を除く): 1518071300

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 751, 860, 1502, 2039, 3004, 3755, 4078, 7510, 8156, 10195, 15020, 20390, 32293, 40780, 64586, 87677, 129172, 161465, 175354, 322930, 350708, 438385, 645860, 876770, 1531289, 1753540, 3062578, 6125156, 7656445, 15312890, 30625780, 65845427, 131690854, 263381708, 329227135, 658454270, 1316908540]

約数ペア:

[(1, 1316908540), (2, 658454270), (4, 329227135), (5, 263381708), (10, 131690854), (20, 65845427), (43, 30625780), (86, 15312890), (172, 7656445), (215, 6125156), (430, 3062578), (751, 1753540), (860, 1531289), (1502, 876770), (2039, 645860), (3004, 438385), (3755, 350708), (4078, 322930), (7510, 175354), (8156, 161465), (10195, 129172), (15020, 87677), (20390, 64586), (32293, 40780)]