26856640

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 112

約数和(自身を含む): 69128640

約数和(自身を除く): 42272000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 41, 46, 64, 80, 82, 89, 92, 115, 160, 164, 178, 184, 205, 230, 320, 328, 356, 368, 410, 445, 460, 656, 712, 736, 820, 890, 920, 943, 1312, 1424, 1472, 1640, 1780, 1840, 1886, 2047, 2624, 2848, 3280, 3560, 3649, 3680, 3772, 4094, 4715, 5696, 6560, 7120, 7298, 7360, 7544, 8188, 9430, 10235, 13120, 14240, 14596, 15088, 16376, 18245, 18860, 20470, 28480, 29192, 30176, 32752, 36490, 37720, 40940, 58384, 60352, 65504, 72980, 75440, 81880, 83927, 116768, 131008, 145960, 150880, 163760, 167854, 233536, 291920, 301760, 327520, 335708, 419635, 583840, 655040, 671416, 839270, 1167680, 1342832, 1678540, 2685664, 3357080, 5371328, 6714160, 13428320, 26856640]

約数ペア:

[(1, 26856640), (2, 13428320), (4, 6714160), (5, 5371328), (8, 3357080), (10, 2685664), (16, 1678540), (20, 1342832), (23, 1167680), (32, 839270), (40, 671416), (41, 655040), (46, 583840), (64, 419635), (80, 335708), (82, 327520), (89, 301760), (92, 291920), (115, 233536), (160, 167854), (164, 163760), (178, 150880), (184, 145960), (205, 131008), (230, 116768), (320, 83927), (328, 81880), (356, 75440), (368, 72980), (410, 65504), (445, 60352), (460, 58384), (656, 40940), (712, 37720), (736, 36490), (820, 32752), (890, 30176), (920, 29192), (943, 28480), (1312, 20470), (1424, 18860), (1472, 18245), (1640, 16376), (1780, 15088), (1840, 14596), (1886, 14240), (2047, 13120), (2624, 10235), (2848, 9430), (3280, 8188), (3560, 7544), (3649, 7360), (3680, 7298), (3772, 7120), (4094, 6560), (4715, 5696)]