68003680

素因数分解:

$2^5\times 5^1\times {\mathrm{643}}^1\times {\mathrm{661}}^1$

素因数の和:1319

約数の個数: 48

約数和(自身を含む): 161151984

約数和(自身を除く): 93148304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 643, 661, 1286, 1322, 2572, 2644, 3215, 3305, 5144, 5288, 6430, 6610, 10288, 10576, 12860, 13220, 20576, 21152, 25720, 26440, 51440, 52880, 102880, 105760, 425023, 850046, 1700092, 2125115, 3400184, 4250230, 6800368, 8500460, 13600736, 17000920, 34001840, 68003680]

約数ペア:

[(1, 68003680), (2, 34001840), (4, 17000920), (5, 13600736), (8, 8500460), (10, 6800368), (16, 4250230), (20, 3400184), (32, 2125115), (40, 1700092), (80, 850046), (160, 425023), (643, 105760), (661, 102880), (1286, 52880), (1322, 51440), (2572, 26440), (2644, 25720), (3215, 21152), (3305, 20576), (5144, 13220), (5288, 12860), (6430, 10576), (6610, 10288)]