25055240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2081}}^1$

素因数の和:2142

約数の個数: 64

約数和(自身を含む): 65957760

約数和(自身を除く): 40902520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2081, 2408, 3010, 4162, 6020, 8324, 10405, 12040, 14567, 16648, 20810, 29134, 41620, 58268, 72835, 83240, 89483, 116536, 145670, 178966, 291340, 357932, 447415, 582680, 626381, 715864, 894830, 1252762, 1789660, 2505524, 3131905, 3579320, 5011048, 6263810, 12527620, 25055240]

約数ペア:

[(1, 25055240), (2, 12527620), (4, 6263810), (5, 5011048), (7, 3579320), (8, 3131905), (10, 2505524), (14, 1789660), (20, 1252762), (28, 894830), (35, 715864), (40, 626381), (43, 582680), (56, 447415), (70, 357932), (86, 291340), (140, 178966), (172, 145670), (215, 116536), (280, 89483), (301, 83240), (344, 72835), (430, 58268), (602, 41620), (860, 29134), (1204, 20810), (1505, 16648), (1720, 14567), (2081, 12040), (2408, 10405), (3010, 8324), (4162, 6020)]