64182020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1277}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 154586880

約数和(自身を除く): 90404860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 359, 718, 1277, 1436, 1795, 2513, 2554, 3590, 5026, 5108, 6385, 7180, 8939, 10052, 12565, 12770, 17878, 25130, 25540, 35756, 44695, 50260, 89390, 178780, 458443, 916886, 1833772, 2292215, 3209101, 4584430, 6418202, 9168860, 12836404, 16045505, 32091010, 64182020]

約数ペア:

[(1, 64182020), (2, 32091010), (4, 16045505), (5, 12836404), (7, 9168860), (10, 6418202), (14, 4584430), (20, 3209101), (28, 2292215), (35, 1833772), (70, 916886), (140, 458443), (359, 178780), (718, 89390), (1277, 50260), (1436, 44695), (1795, 35756), (2513, 25540), (2554, 25130), (3590, 17878), (5026, 12770), (5108, 12565), (6385, 10052), (7180, 8939)]