25879610

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 26375110

約数列:

[1, 2, 5, 10, 17, 34, 41, 47, 79, 82, 85, 94, 158, 170, 205, 235, 395, 410, 470, 697, 790, 799, 1343, 1394, 1598, 1927, 2686, 3239, 3485, 3713, 3854, 3995, 6478, 6715, 6970, 7426, 7990, 9635, 13430, 16195, 18565, 19270, 32390, 32759, 37130, 55063, 63121, 65518, 110126, 126242, 152233, 163795, 275315, 304466, 315605, 327590, 550630, 631210, 761165, 1522330, 2587961, 5175922, 12939805, 25879610]

約数ペア:

[(1, 25879610), (2, 12939805), (5, 5175922), (10, 2587961), (17, 1522330), (34, 761165), (41, 631210), (47, 550630), (79, 327590), (82, 315605), (85, 304466), (94, 275315), (158, 163795), (170, 152233), (205, 126242), (235, 110126), (395, 65518), (410, 63121), (470, 55063), (697, 37130), (790, 32759), (799, 32390), (1343, 19270), (1394, 18565), (1598, 16195), (1927, 13430), (2686, 9635), (3239, 7990), (3485, 7426), (3713, 6970), (3854, 6715), (3995, 6478)]