39879680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{7789}}^1$

素因数の和:7814

約数の個数: 44

約数和(自身を含む): 95676780

約数和(自身を除く): 55797100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 7789, 15578, 31156, 38945, 62312, 77890, 124624, 155780, 249248, 311560, 498496, 623120, 996992, 1246240, 1993984, 2492480, 3987968, 4984960, 7975936, 9969920, 19939840, 39879680]

約数ペア:

[(1, 39879680), (2, 19939840), (4, 9969920), (5, 7975936), (8, 4984960), (10, 3987968), (16, 2492480), (20, 1993984), (32, 1246240), (40, 996992), (64, 623120), (80, 498496), (128, 311560), (160, 249248), (256, 155780), (320, 124624), (512, 77890), (640, 62312), (1024, 38945), (1280, 31156), (2560, 15578), (5120, 7789)]