2537960

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{947}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 5801760

約数和(自身を除く): 3263800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 947, 1340, 1894, 2680, 3788, 4735, 7576, 9470, 18940, 37880, 63449, 126898, 253796, 317245, 507592, 634490, 1268980, 2537960]

約数ペア:

[(1, 2537960), (2, 1268980), (4, 634490), (5, 507592), (8, 317245), (10, 253796), (20, 126898), (40, 63449), (67, 37880), (134, 18940), (268, 9470), (335, 7576), (536, 4735), (670, 3788), (947, 2680), (1340, 1894)]