42209140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1031}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 93623040

約数和(自身を除く): 51413900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 460, 890, 1031, 1780, 2047, 2062, 4094, 4124, 5155, 8188, 10235, 10310, 20470, 20620, 23713, 40940, 47426, 91759, 94852, 118565, 183518, 237130, 367036, 458795, 474260, 917590, 1835180, 2110457, 4220914, 8441828, 10552285, 21104570, 42209140]

約数ペア:

[(1, 42209140), (2, 21104570), (4, 10552285), (5, 8441828), (10, 4220914), (20, 2110457), (23, 1835180), (46, 917590), (89, 474260), (92, 458795), (115, 367036), (178, 237130), (230, 183518), (356, 118565), (445, 94852), (460, 91759), (890, 47426), (1031, 40940), (1780, 23713), (2047, 20620), (2062, 20470), (4094, 10310), (4124, 10235), (5155, 8188)]