1577880020

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1\times {\mathrm{2897}}^1$

素因数の和:3260

約数の個数: 48

約数和(自身を含む): 3357901008

約数和(自身を除く): 1780020988

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 241, 452, 482, 565, 964, 1130, 1205, 2260, 2410, 2897, 4820, 5794, 11588, 14485, 27233, 28970, 54466, 57940, 108932, 136165, 272330, 327361, 544660, 654722, 698177, 1309444, 1396354, 1636805, 2792708, 3273610, 3490885, 6547220, 6981770, 13963540, 78894001, 157788002, 315576004, 394470005, 788940010, 1577880020]

約数ペア:

[(1, 1577880020), (2, 788940010), (4, 394470005), (5, 315576004), (10, 157788002), (20, 78894001), (113, 13963540), (226, 6981770), (241, 6547220), (452, 3490885), (482, 3273610), (565, 2792708), (964, 1636805), (1130, 1396354), (1205, 1309444), (2260, 698177), (2410, 654722), (2897, 544660), (4820, 327361), (5794, 272330), (11588, 136165), (14485, 108932), (27233, 57940), (28970, 54466)]