65389720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{421}}^1$

素因数の和:796

約数の個数: 64

約数和(自身を含む): 161339040

約数和(自身を除く): 95949320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 353, 421, 440, 706, 842, 1412, 1684, 1765, 2105, 2824, 3368, 3530, 3883, 4210, 4631, 7060, 7766, 8420, 9262, 14120, 15532, 16840, 18524, 19415, 23155, 31064, 37048, 38830, 46310, 77660, 92620, 148613, 155320, 185240, 297226, 594452, 743065, 1188904, 1486130, 1634743, 2972260, 3269486, 5944520, 6538972, 8173715, 13077944, 16347430, 32694860, 65389720]

約数ペア:

[(1, 65389720), (2, 32694860), (4, 16347430), (5, 13077944), (8, 8173715), (10, 6538972), (11, 5944520), (20, 3269486), (22, 2972260), (40, 1634743), (44, 1486130), (55, 1188904), (88, 743065), (110, 594452), (220, 297226), (353, 185240), (421, 155320), (440, 148613), (706, 92620), (842, 77660), (1412, 46310), (1684, 38830), (1765, 37048), (2105, 31064), (2824, 23155), (3368, 19415), (3530, 18524), (3883, 16840), (4210, 15532), (4631, 14120), (7060, 9262), (7766, 8420)]