2013203840

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{28859}}^1$

素因数の和:28987

約数の個数: 64

約数和(自身を含む): 4857138000

約数和(自身を除く): 2843934160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 436, 545, 640, 872, 1090, 1744, 2180, 3488, 4360, 6976, 8720, 13952, 17440, 28859, 34880, 57718, 69760, 115436, 144295, 230872, 288590, 461744, 577180, 923488, 1154360, 1846976, 2308720, 3145631, 3693952, 4617440, 6291262, 9234880, 12582524, 15728155, 18469760, 25165048, 31456310, 50330096, 62912620, 100660192, 125825240, 201320384, 251650480, 402640768, 503300960, 1006601920, 2013203840]

約数ペア:

[(1, 2013203840), (2, 1006601920), (4, 503300960), (5, 402640768), (8, 251650480), (10, 201320384), (16, 125825240), (20, 100660192), (32, 62912620), (40, 50330096), (64, 31456310), (80, 25165048), (109, 18469760), (128, 15728155), (160, 12582524), (218, 9234880), (320, 6291262), (436, 4617440), (545, 3693952), (640, 3145631), (872, 2308720), (1090, 1846976), (1744, 1154360), (2180, 923488), (3488, 577180), (4360, 461744), (6976, 288590), (8720, 230872), (13952, 144295), (17440, 115436), (28859, 69760), (34880, 57718)]