562640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1$

素因数の和:567

約数の個数: 40

約数和(自身を含む): 1411368

約数和(自身を除く): 848728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 541, 1040, 1082, 2164, 2705, 4328, 5410, 7033, 8656, 10820, 14066, 21640, 28132, 35165, 43280, 56264, 70330, 112528, 140660, 281320, 562640]

約数ペア:

[(1, 562640), (2, 281320), (4, 140660), (5, 112528), (8, 70330), (10, 56264), (13, 43280), (16, 35165), (20, 28132), (26, 21640), (40, 14066), (52, 10820), (65, 8656), (80, 7033), (104, 5410), (130, 4328), (208, 2705), (260, 2164), (520, 1082), (541, 1040)]