13428320

素因数分解:

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

素因数の和:168

約数の個数: 96

約数和(自身を含む): 34292160

約数和(自身を除く): 20863840

約数列:

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

約数ペア:

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