8983780

素因数分解:

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

素因数の和:448

約数の個数: 48

約数和(自身を含む): 20568240

約数和(自身を除く): 11584460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 317, 436, 545, 634, 1090, 1268, 1417, 1585, 2180, 2834, 3170, 4121, 5668, 6340, 7085, 8242, 14170, 16484, 20605, 28340, 34553, 41210, 69106, 82420, 138212, 172765, 345530, 449189, 691060, 898378, 1796756, 2245945, 4491890, 8983780]

約数ペア:

[(1, 8983780), (2, 4491890), (4, 2245945), (5, 1796756), (10, 898378), (13, 691060), (20, 449189), (26, 345530), (52, 172765), (65, 138212), (109, 82420), (130, 69106), (218, 41210), (260, 34553), (317, 28340), (436, 20605), (545, 16484), (634, 14170), (1090, 8242), (1268, 7085), (1417, 6340), (1585, 5668), (2180, 4121), (2834, 3170)]