12189440

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 29801520

約数和(自身を除く): 17612080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 107, 128, 160, 178, 214, 256, 320, 356, 428, 445, 535, 640, 712, 856, 890, 1070, 1280, 1424, 1712, 1780, 2140, 2848, 3424, 3560, 4280, 5696, 6848, 7120, 8560, 9523, 11392, 13696, 14240, 17120, 19046, 22784, 27392, 28480, 34240, 38092, 47615, 56960, 68480, 76184, 95230, 113920, 136960, 152368, 190460, 304736, 380920, 609472, 761840, 1218944, 1523680, 2437888, 3047360, 6094720, 12189440]

約数ペア:

[(1, 12189440), (2, 6094720), (4, 3047360), (5, 2437888), (8, 1523680), (10, 1218944), (16, 761840), (20, 609472), (32, 380920), (40, 304736), (64, 190460), (80, 152368), (89, 136960), (107, 113920), (128, 95230), (160, 76184), (178, 68480), (214, 56960), (256, 47615), (320, 38092), (356, 34240), (428, 28480), (445, 27392), (535, 22784), (640, 19046), (712, 17120), (856, 14240), (890, 13696), (1070, 11392), (1280, 9523), (1424, 8560), (1712, 7120), (1780, 6848), (2140, 5696), (2848, 4280), (3424, 3560)]