12702080

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 30844800

約数和(自身を除く): 18142720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 223, 320, 356, 445, 446, 640, 712, 890, 892, 1115, 1424, 1780, 1784, 2230, 2848, 3560, 3568, 4460, 5696, 7120, 7136, 8920, 11392, 14240, 14272, 17840, 19847, 28480, 28544, 35680, 39694, 56960, 71360, 79388, 99235, 142720, 158776, 198470, 317552, 396940, 635104, 793880, 1270208, 1587760, 2540416, 3175520, 6351040, 12702080]

約数ペア:

[(1, 12702080), (2, 6351040), (4, 3175520), (5, 2540416), (8, 1587760), (10, 1270208), (16, 793880), (20, 635104), (32, 396940), (40, 317552), (64, 198470), (80, 158776), (89, 142720), (128, 99235), (160, 79388), (178, 71360), (223, 56960), (320, 39694), (356, 35680), (445, 28544), (446, 28480), (640, 19847), (712, 17840), (890, 14272), (892, 14240), (1115, 11392), (1424, 8920), (1780, 7136), (1784, 7120), (2230, 5696), (2848, 4460), (3560, 3568)]