26542720

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{619}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 64504800

約数和(自身を除く): 37962080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 619, 640, 670, 1072, 1238, 1340, 2144, 2476, 2680, 3095, 4288, 4952, 5360, 6190, 8576, 9904, 10720, 12380, 19808, 21440, 24760, 39616, 41473, 42880, 49520, 79232, 82946, 99040, 165892, 198080, 207365, 331784, 396160, 414730, 663568, 829460, 1327136, 1658920, 2654272, 3317840, 5308544, 6635680, 13271360, 26542720]

約数ペア:

[(1, 26542720), (2, 13271360), (4, 6635680), (5, 5308544), (8, 3317840), (10, 2654272), (16, 1658920), (20, 1327136), (32, 829460), (40, 663568), (64, 414730), (67, 396160), (80, 331784), (128, 207365), (134, 198080), (160, 165892), (268, 99040), (320, 82946), (335, 79232), (536, 49520), (619, 42880), (640, 41473), (670, 39616), (1072, 24760), (1238, 21440), (1340, 19808), (2144, 12380), (2476, 10720), (2680, 9904), (3095, 8576), (4288, 6190), (4952, 5360)]