25767680

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 63355824

約数和(自身を除く): 37588144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 491, 640, 656, 820, 982, 1280, 1312, 1640, 1964, 2455, 2624, 3280, 3928, 4910, 5248, 6560, 7856, 9820, 10496, 13120, 15712, 19640, 20131, 26240, 31424, 39280, 40262, 52480, 62848, 78560, 80524, 100655, 125696, 157120, 161048, 201310, 314240, 322096, 402620, 628480, 644192, 805240, 1288384, 1610480, 2576768, 3220960, 5153536, 6441920, 12883840, 25767680]

約数ペア:

[(1, 25767680), (2, 12883840), (4, 6441920), (5, 5153536), (8, 3220960), (10, 2576768), (16, 1610480), (20, 1288384), (32, 805240), (40, 644192), (41, 628480), (64, 402620), (80, 322096), (82, 314240), (128, 201310), (160, 161048), (164, 157120), (205, 125696), (256, 100655), (320, 80524), (328, 78560), (410, 62848), (491, 52480), (640, 40262), (656, 39280), (820, 31424), (982, 26240), (1280, 20131), (1312, 19640), (1640, 15712), (1964, 13120), (2455, 10496), (2624, 9820), (3280, 7856), (3928, 6560), (4910, 5248)]