17398760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^2$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 40495140

約数和(自身を除く): 23096380

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 103, 164, 205, 206, 328, 410, 412, 515, 820, 824, 1030, 1640, 2060, 4120, 4223, 8446, 10609, 16892, 21115, 21218, 33784, 42230, 42436, 53045, 84460, 84872, 106090, 168920, 212180, 424360, 434969, 869938, 1739876, 2174845, 3479752, 4349690, 8699380, 17398760]

約数ペア:

[(1, 17398760), (2, 8699380), (4, 4349690), (5, 3479752), (8, 2174845), (10, 1739876), (20, 869938), (40, 434969), (41, 424360), (82, 212180), (103, 168920), (164, 106090), (205, 84872), (206, 84460), (328, 53045), (410, 42436), (412, 42230), (515, 33784), (820, 21218), (824, 21115), (1030, 16892), (1640, 10609), (2060, 8446), (4120, 4223)]