13264640

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 32646768

約数和(自身を除く): 19382128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 241, 256, 320, 344, 430, 482, 640, 688, 860, 964, 1205, 1280, 1376, 1720, 1928, 2410, 2752, 3440, 3856, 4820, 5504, 6880, 7712, 9640, 10363, 11008, 13760, 15424, 19280, 20726, 27520, 30848, 38560, 41452, 51815, 55040, 61696, 77120, 82904, 103630, 154240, 165808, 207260, 308480, 331616, 414520, 663232, 829040, 1326464, 1658080, 2652928, 3316160, 6632320, 13264640]

約数ペア:

[(1, 13264640), (2, 6632320), (4, 3316160), (5, 2652928), (8, 1658080), (10, 1326464), (16, 829040), (20, 663232), (32, 414520), (40, 331616), (43, 308480), (64, 207260), (80, 165808), (86, 154240), (128, 103630), (160, 82904), (172, 77120), (215, 61696), (241, 55040), (256, 51815), (320, 41452), (344, 38560), (430, 30848), (482, 27520), (640, 20726), (688, 19280), (860, 15424), (964, 13760), (1205, 11008), (1280, 10363), (1376, 9640), (1720, 7712), (1928, 6880), (2410, 5504), (2752, 4820), (3440, 3856)]