2590640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 80

約数和(自身を含む): 6749568

約数和(自身を除く): 4158928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 53, 65, 80, 94, 104, 106, 130, 188, 208, 212, 235, 260, 265, 376, 424, 470, 520, 530, 611, 689, 752, 848, 940, 1040, 1060, 1222, 1378, 1880, 2120, 2444, 2491, 2756, 3055, 3445, 3760, 4240, 4888, 4982, 5512, 6110, 6890, 9776, 9964, 11024, 12220, 12455, 13780, 19928, 24440, 24910, 27560, 32383, 39856, 48880, 49820, 55120, 64766, 99640, 129532, 161915, 199280, 259064, 323830, 518128, 647660, 1295320, 2590640]

約数ペア:

[(1, 2590640), (2, 1295320), (4, 647660), (5, 518128), (8, 323830), (10, 259064), (13, 199280), (16, 161915), (20, 129532), (26, 99640), (40, 64766), (47, 55120), (52, 49820), (53, 48880), (65, 39856), (80, 32383), (94, 27560), (104, 24910), (106, 24440), (130, 19928), (188, 13780), (208, 12455), (212, 12220), (235, 11024), (260, 9964), (265, 9776), (376, 6890), (424, 6110), (470, 5512), (520, 4982), (530, 4888), (611, 4240), (689, 3760), (752, 3445), (848, 3055), (940, 2756), (1040, 2491), (1060, 2444), (1222, 2120), (1378, 1880)]