1330903880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{455789}}^1$

素因数の和:455873

約数の個数: 32

約数和(自身を含む): 3035561400

約数和(自身を除く): 1704657520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 455789, 911578, 1823156, 2278945, 3646312, 4557890, 9115780, 18231560, 33272597, 66545194, 133090388, 166362985, 266180776, 332725970, 665451940, 1330903880]

約数ペア:

[(1, 1330903880), (2, 665451940), (4, 332725970), (5, 266180776), (8, 166362985), (10, 133090388), (20, 66545194), (40, 33272597), (73, 18231560), (146, 9115780), (292, 4557890), (365, 3646312), (584, 2278945), (730, 1823156), (1460, 911578), (2920, 455789)]