223920680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{136537}}^1$

素因数の和:136589

約数の個数: 32

約数和(自身を含む): 516113640

約数和(自身を除く): 292192960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 136537, 273074, 546148, 682685, 1092296, 1365370, 2730740, 5461480, 5598017, 11196034, 22392068, 27990085, 44784136, 55980170, 111960340, 223920680]

約数ペア:

[(1, 223920680), (2, 111960340), (4, 55980170), (5, 44784136), (8, 27990085), (10, 22392068), (20, 11196034), (40, 5598017), (41, 5461480), (82, 2730740), (164, 1365370), (205, 1092296), (328, 682685), (410, 546148), (820, 273074), (1640, 136537)]