28548280

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1153}}^1$

素因数の和:1783

約数の個数: 32

約数和(自身を含む): 64393200

約数和(自身を除く): 35844920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 1153, 1238, 2306, 2476, 3095, 4612, 4952, 5765, 6190, 9224, 11530, 12380, 23060, 24760, 46120, 713707, 1427414, 2854828, 3568535, 5709656, 7137070, 14274140, 28548280]

約数ペア:

[(1, 28548280), (2, 14274140), (4, 7137070), (5, 5709656), (8, 3568535), (10, 2854828), (20, 1427414), (40, 713707), (619, 46120), (1153, 24760), (1238, 23060), (2306, 12380), (2476, 11530), (3095, 9224), (4612, 6190), (4952, 5765)]