51105880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4933}}^1$

素因数の和:4988

約数の個数: 64

約数和(自身を含む): 134994240

約数和(自身を除く): 83888360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 4933, 5180, 9866, 10360, 19732, 24665, 34531, 39464, 49330, 69062, 98660, 138124, 172655, 182521, 197320, 276248, 345310, 365042, 690620, 730084, 912605, 1277647, 1381240, 1460168, 1825210, 2555294, 3650420, 5110588, 6388235, 7300840, 10221176, 12776470, 25552940, 51105880]

約数ペア:

[(1, 51105880), (2, 25552940), (4, 12776470), (5, 10221176), (7, 7300840), (8, 6388235), (10, 5110588), (14, 3650420), (20, 2555294), (28, 1825210), (35, 1460168), (37, 1381240), (40, 1277647), (56, 912605), (70, 730084), (74, 690620), (140, 365042), (148, 345310), (185, 276248), (259, 197320), (280, 182521), (296, 172655), (370, 138124), (518, 98660), (740, 69062), (1036, 49330), (1295, 39464), (1480, 34531), (2072, 24665), (2590, 19732), (4933, 10360), (5180, 9866)]