81469460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1361}}^1$

素因数の和:1484

約数の個数: 48

約数和(自身を含む): 177790032

約数和(自身を除く): 96320572

約数列:

[1, 2, 4, 5, 10, 20, 41, 73, 82, 146, 164, 205, 292, 365, 410, 730, 820, 1361, 1460, 2722, 2993, 5444, 5986, 6805, 11972, 13610, 14965, 27220, 29930, 55801, 59860, 99353, 111602, 198706, 223204, 279005, 397412, 496765, 558010, 993530, 1116020, 1987060, 4073473, 8146946, 16293892, 20367365, 40734730, 81469460]

約数ペア:

[(1, 81469460), (2, 40734730), (4, 20367365), (5, 16293892), (10, 8146946), (20, 4073473), (41, 1987060), (73, 1116020), (82, 993530), (146, 558010), (164, 496765), (205, 397412), (292, 279005), (365, 223204), (410, 198706), (730, 111602), (820, 99353), (1361, 59860), (1460, 55801), (2722, 29930), (2993, 27220), (5444, 14965), (5986, 13610), (6805, 11972)]