64857340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1669}}^1$

素因数の和:1774

約数の個数: 48

約数和(自身を含む): 143085600

約数和(自身を除く): 78228260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 116, 134, 145, 268, 290, 335, 580, 670, 1340, 1669, 1943, 3338, 3886, 6676, 7772, 8345, 9715, 16690, 19430, 33380, 38860, 48401, 96802, 111823, 193604, 223646, 242005, 447292, 484010, 559115, 968020, 1118230, 2236460, 3242867, 6485734, 12971468, 16214335, 32428670, 64857340]

約数ペア:

[(1, 64857340), (2, 32428670), (4, 16214335), (5, 12971468), (10, 6485734), (20, 3242867), (29, 2236460), (58, 1118230), (67, 968020), (116, 559115), (134, 484010), (145, 447292), (268, 242005), (290, 223646), (335, 193604), (580, 111823), (670, 96802), (1340, 48401), (1669, 38860), (1943, 33380), (3338, 19430), (3886, 16690), (6676, 9715), (7772, 8345)]