12929920

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 31395600

約数和(自身を除く): 18465680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 227, 320, 356, 445, 454, 640, 712, 890, 908, 1135, 1424, 1780, 1816, 2270, 2848, 3560, 3632, 4540, 5696, 7120, 7264, 9080, 11392, 14240, 14528, 18160, 20203, 28480, 29056, 36320, 40406, 56960, 72640, 80812, 101015, 145280, 161624, 202030, 323248, 404060, 646496, 808120, 1292992, 1616240, 2585984, 3232480, 6464960, 12929920]

約数ペア:

[(1, 12929920), (2, 6464960), (4, 3232480), (5, 2585984), (8, 1616240), (10, 1292992), (16, 808120), (20, 646496), (32, 404060), (40, 323248), (64, 202030), (80, 161624), (89, 145280), (128, 101015), (160, 80812), (178, 72640), (227, 56960), (320, 40406), (356, 36320), (445, 29056), (454, 28480), (640, 20203), (712, 18160), (890, 14528), (908, 14240), (1135, 11392), (1424, 9080), (1780, 7264), (1816, 7120), (2270, 5696), (2848, 4540), (3560, 3632)]