40884820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 88058880

約数和(自身を除く): 47174060

約数列:

[1, 2, 4, 5, 10, 20, 89, 103, 178, 206, 223, 356, 412, 445, 446, 515, 890, 892, 1030, 1115, 1780, 2060, 2230, 4460, 9167, 18334, 19847, 22969, 36668, 39694, 45835, 45938, 79388, 91670, 91876, 99235, 114845, 183340, 198470, 229690, 396940, 459380, 2044241, 4088482, 8176964, 10221205, 20442410, 40884820]

約数ペア:

[(1, 40884820), (2, 20442410), (4, 10221205), (5, 8176964), (10, 4088482), (20, 2044241), (89, 459380), (103, 396940), (178, 229690), (206, 198470), (223, 183340), (356, 114845), (412, 99235), (445, 91876), (446, 91670), (515, 79388), (890, 45938), (892, 45835), (1030, 39694), (1115, 36668), (1780, 22969), (2060, 19847), (2230, 18334), (4460, 9167)]