82501280

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 202487040

約数和(自身を除く): 119985760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 79, 80, 107, 122, 158, 160, 214, 244, 305, 316, 395, 428, 488, 535, 610, 632, 790, 856, 976, 1070, 1220, 1264, 1580, 1712, 1952, 2140, 2440, 2528, 3160, 3424, 4280, 4819, 4880, 6320, 6527, 8453, 8560, 9638, 9760, 12640, 13054, 16906, 17120, 19276, 24095, 26108, 32635, 33812, 38552, 42265, 48190, 52216, 65270, 67624, 77104, 84530, 96380, 104432, 130540, 135248, 154208, 169060, 192760, 208864, 261080, 270496, 338120, 385520, 515633, 522160, 676240, 771040, 1031266, 1044320, 1352480, 2062532, 2578165, 4125064, 5156330, 8250128, 10312660, 16500256, 20625320, 41250640, 82501280]

約数ペア:

[(1, 82501280), (2, 41250640), (4, 20625320), (5, 16500256), (8, 10312660), (10, 8250128), (16, 5156330), (20, 4125064), (32, 2578165), (40, 2062532), (61, 1352480), (79, 1044320), (80, 1031266), (107, 771040), (122, 676240), (158, 522160), (160, 515633), (214, 385520), (244, 338120), (305, 270496), (316, 261080), (395, 208864), (428, 192760), (488, 169060), (535, 154208), (610, 135248), (632, 130540), (790, 104432), (856, 96380), (976, 84530), (1070, 77104), (1220, 67624), (1264, 65270), (1580, 52216), (1712, 48190), (1952, 42265), (2140, 38552), (2440, 33812), (2528, 32635), (3160, 26108), (3424, 24095), (4280, 19276), (4819, 17120), (4880, 16906), (6320, 13054), (6527, 12640), (8453, 9760), (8560, 9638)]