65243260

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 140343840

約数和(自身を除く): 75100580

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 181, 268, 269, 335, 362, 538, 670, 724, 905, 1076, 1340, 1345, 1810, 2690, 3620, 5380, 12127, 18023, 24254, 36046, 48508, 48689, 60635, 72092, 90115, 97378, 121270, 180230, 194756, 242540, 243445, 360460, 486890, 973780, 3262163, 6524326, 13048652, 16310815, 32621630, 65243260]

約数ペア:

[(1, 65243260), (2, 32621630), (4, 16310815), (5, 13048652), (10, 6524326), (20, 3262163), (67, 973780), (134, 486890), (181, 360460), (268, 243445), (269, 242540), (335, 194756), (362, 180230), (538, 121270), (670, 97378), (724, 90115), (905, 72092), (1076, 60635), (1340, 48689), (1345, 48508), (1810, 36046), (2690, 24254), (3620, 18023), (5380, 12127)]