13388800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{523}}^1$

素因数の和:553

約数の個数: 66

約数和(自身を含む): 33251468

約数和(自身を除く): 19862668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 523, 640, 800, 1024, 1046, 1280, 1600, 2092, 2560, 2615, 3200, 4184, 5120, 5230, 6400, 8368, 10460, 12800, 13075, 16736, 20920, 25600, 26150, 33472, 41840, 52300, 66944, 83680, 104600, 133888, 167360, 209200, 267776, 334720, 418400, 535552, 669440, 836800, 1338880, 1673600, 2677760, 3347200, 6694400, 13388800]

約数ペア:

[(1, 13388800), (2, 6694400), (4, 3347200), (5, 2677760), (8, 1673600), (10, 1338880), (16, 836800), (20, 669440), (25, 535552), (32, 418400), (40, 334720), (50, 267776), (64, 209200), (80, 167360), (100, 133888), (128, 104600), (160, 83680), (200, 66944), (256, 52300), (320, 41840), (400, 33472), (512, 26150), (523, 25600), (640, 20920), (800, 16736), (1024, 13075), (1046, 12800), (1280, 10460), (1600, 8368), (2092, 6400), (2560, 5230), (2615, 5120), (3200, 4184)]