25687480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7057}}^1$

素因数の和:7088

約数の個数: 64

約数和(自身を含む): 71144640

約数和(自身を除く): 45457160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 7057, 14114, 28228, 35285, 49399, 56456, 70570, 91741, 98798, 141140, 183482, 197596, 246995, 282280, 366964, 395192, 458705, 493990, 642187, 733928, 917410, 987980, 1284374, 1834820, 1975960, 2568748, 3210935, 3669640, 5137496, 6421870, 12843740, 25687480]

約数ペア:

[(1, 25687480), (2, 12843740), (4, 6421870), (5, 5137496), (7, 3669640), (8, 3210935), (10, 2568748), (13, 1975960), (14, 1834820), (20, 1284374), (26, 987980), (28, 917410), (35, 733928), (40, 642187), (52, 493990), (56, 458705), (65, 395192), (70, 366964), (91, 282280), (104, 246995), (130, 197596), (140, 183482), (182, 141140), (260, 98798), (280, 91741), (364, 70570), (455, 56456), (520, 49399), (728, 35285), (910, 28228), (1820, 14114), (3640, 7057)]