25545440

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 63866880

約数和(自身を除く): 38321440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 47, 79, 80, 86, 94, 158, 160, 172, 188, 215, 235, 316, 344, 376, 395, 430, 470, 632, 688, 752, 790, 860, 940, 1264, 1376, 1504, 1580, 1720, 1880, 2021, 2528, 3160, 3397, 3440, 3713, 3760, 4042, 6320, 6794, 6880, 7426, 7520, 8084, 10105, 12640, 13588, 14852, 16168, 16985, 18565, 20210, 27176, 29704, 32336, 33970, 37130, 40420, 54352, 59408, 64672, 67940, 74260, 80840, 108704, 118816, 135880, 148520, 159659, 161680, 271760, 297040, 319318, 323360, 543520, 594080, 638636, 798295, 1277272, 1596590, 2554544, 3193180, 5109088, 6386360, 12772720, 25545440]

約数ペア:

[(1, 25545440), (2, 12772720), (4, 6386360), (5, 5109088), (8, 3193180), (10, 2554544), (16, 1596590), (20, 1277272), (32, 798295), (40, 638636), (43, 594080), (47, 543520), (79, 323360), (80, 319318), (86, 297040), (94, 271760), (158, 161680), (160, 159659), (172, 148520), (188, 135880), (215, 118816), (235, 108704), (316, 80840), (344, 74260), (376, 67940), (395, 64672), (430, 59408), (470, 54352), (632, 40420), (688, 37130), (752, 33970), (790, 32336), (860, 29704), (940, 27176), (1264, 20210), (1376, 18565), (1504, 16985), (1580, 16168), (1720, 14852), (1880, 13588), (2021, 12640), (2528, 10105), (3160, 8084), (3397, 7520), (3440, 7426), (3713, 6880), (3760, 6794), (4042, 6320)]