2543120

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1$

素因数の和:479

約数の個数: 40

約数和(自身を含む): 5999616

約数和(自身を除く): 3456496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 383, 415, 664, 766, 830, 1328, 1532, 1660, 1915, 3064, 3320, 3830, 6128, 6640, 7660, 15320, 30640, 31789, 63578, 127156, 158945, 254312, 317890, 508624, 635780, 1271560, 2543120]

約数ペア:

[(1, 2543120), (2, 1271560), (4, 635780), (5, 508624), (8, 317890), (10, 254312), (16, 158945), (20, 127156), (40, 63578), (80, 31789), (83, 30640), (166, 15320), (332, 7660), (383, 6640), (415, 6128), (664, 3830), (766, 3320), (830, 3064), (1328, 1915), (1532, 1660)]