65087840

素因数分解:

$2^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1229}}^1$

素因数の和:1575

約数の個数: 48

約数和(自身を含む): 154360080

約数和(自身を除く): 89272240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 331, 662, 1229, 1324, 1655, 2458, 2648, 3310, 4916, 5296, 6145, 6620, 9832, 10592, 12290, 13240, 19664, 24580, 26480, 39328, 49160, 52960, 98320, 196640, 406799, 813598, 1627196, 2033995, 3254392, 4067990, 6508784, 8135980, 13017568, 16271960, 32543920, 65087840]

約数ペア:

[(1, 65087840), (2, 32543920), (4, 16271960), (5, 13017568), (8, 8135980), (10, 6508784), (16, 4067990), (20, 3254392), (32, 2033995), (40, 1627196), (80, 813598), (160, 406799), (331, 196640), (662, 98320), (1229, 52960), (1324, 49160), (1655, 39328), (2458, 26480), (2648, 24580), (3310, 19664), (4916, 13240), (5296, 12290), (6145, 10592), (6620, 9832)]