17967560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 44074800

約数和(自身を除く): 26107240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 218, 260, 317, 436, 520, 545, 634, 872, 1090, 1268, 1417, 1585, 2180, 2536, 2834, 3170, 4121, 4360, 5668, 6340, 7085, 8242, 11336, 12680, 14170, 16484, 20605, 28340, 32968, 34553, 41210, 56680, 69106, 82420, 138212, 164840, 172765, 276424, 345530, 449189, 691060, 898378, 1382120, 1796756, 2245945, 3593512, 4491890, 8983780, 17967560]

約数ペア:

[(1, 17967560), (2, 8983780), (4, 4491890), (5, 3593512), (8, 2245945), (10, 1796756), (13, 1382120), (20, 898378), (26, 691060), (40, 449189), (52, 345530), (65, 276424), (104, 172765), (109, 164840), (130, 138212), (218, 82420), (260, 69106), (317, 56680), (436, 41210), (520, 34553), (545, 32968), (634, 28340), (872, 20605), (1090, 16484), (1268, 14170), (1417, 12680), (1585, 11336), (2180, 8242), (2536, 7085), (2834, 6340), (3170, 5668), (4121, 4360)]