200809720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{74929}}^1$

素因数の和:75007

約数の個数: 32

約数和(自身を含む): 458571600

約数和(自身を除く): 257761880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 74929, 149858, 299716, 374645, 599432, 749290, 1498580, 2997160, 5020243, 10040486, 20080972, 25101215, 40161944, 50202430, 100404860, 200809720]

約数ペア:

[(1, 200809720), (2, 100404860), (4, 50202430), (5, 40161944), (8, 25101215), (10, 20080972), (20, 10040486), (40, 5020243), (67, 2997160), (134, 1498580), (268, 749290), (335, 599432), (536, 374645), (670, 299716), (1340, 149858), (2680, 74929)]