8897996840

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{809}}^1\times {\mathrm{2099}}^1$

素因数の和:3050

約数の個数: 64

約数和(自身を含む): 20207880000

約数和(自身を除く): 11309883160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 809, 1048, 1310, 1618, 2099, 2620, 3236, 4045, 4198, 5240, 6472, 8090, 8396, 10495, 16180, 16792, 20990, 32360, 41980, 83960, 105979, 211958, 274969, 423916, 529895, 549938, 847832, 1059790, 1099876, 1374845, 1698091, 2119580, 2199752, 2749690, 3396182, 4239160, 5499380, 6792364, 8490455, 10998760, 13584728, 16980910, 33961820, 67923640, 222449921, 444899842, 889799684, 1112249605, 1779599368, 2224499210, 4448998420, 8897996840]

約数ペア:

[(1, 8897996840), (2, 4448998420), (4, 2224499210), (5, 1779599368), (8, 1112249605), (10, 889799684), (20, 444899842), (40, 222449921), (131, 67923640), (262, 33961820), (524, 16980910), (655, 13584728), (809, 10998760), (1048, 8490455), (1310, 6792364), (1618, 5499380), (2099, 4239160), (2620, 3396182), (3236, 2749690), (4045, 2199752), (4198, 2119580), (5240, 1698091), (6472, 1374845), (8090, 1099876), (8396, 1059790), (10495, 847832), (16180, 549938), (16792, 529895), (20990, 423916), (32360, 274969), (41980, 211958), (83960, 105979)]