26436560

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 64281600

約数和(自身を除く): 37845040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 79, 80, 89, 94, 158, 178, 188, 235, 316, 356, 376, 395, 445, 470, 632, 712, 752, 790, 890, 940, 1264, 1424, 1580, 1780, 1880, 3160, 3560, 3713, 3760, 4183, 6320, 7031, 7120, 7426, 8366, 14062, 14852, 16732, 18565, 20915, 28124, 29704, 33464, 35155, 37130, 41830, 56248, 59408, 66928, 70310, 74260, 83660, 112496, 140620, 148520, 167320, 281240, 297040, 330457, 334640, 562480, 660914, 1321828, 1652285, 2643656, 3304570, 5287312, 6609140, 13218280, 26436560]

約数ペア:

[(1, 26436560), (2, 13218280), (4, 6609140), (5, 5287312), (8, 3304570), (10, 2643656), (16, 1652285), (20, 1321828), (40, 660914), (47, 562480), (79, 334640), (80, 330457), (89, 297040), (94, 281240), (158, 167320), (178, 148520), (188, 140620), (235, 112496), (316, 83660), (356, 74260), (376, 70310), (395, 66928), (445, 59408), (470, 56248), (632, 41830), (712, 37130), (752, 35155), (790, 33464), (890, 29704), (940, 28124), (1264, 20915), (1424, 18565), (1580, 16732), (1780, 14852), (1880, 14062), (3160, 8366), (3560, 7426), (3713, 7120), (3760, 7031), (4183, 6320)]