867959920

素因数分解:

$2^4\times 5^1\times {\mathrm{809}}^1\times {\mathrm{13411}}^1$

素因数の和:14233

約数の個数: 40

約数和(自身を含む): 2020651920

約数和(自身を除く): 1152692000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 809, 1618, 3236, 4045, 6472, 8090, 12944, 13411, 16180, 26822, 32360, 53644, 64720, 67055, 107288, 134110, 214576, 268220, 536440, 1072880, 10849499, 21698998, 43397996, 54247495, 86795992, 108494990, 173591984, 216989980, 433979960, 867959920]

約数ペア:

[(1, 867959920), (2, 433979960), (4, 216989980), (5, 173591984), (8, 108494990), (10, 86795992), (16, 54247495), (20, 43397996), (40, 21698998), (80, 10849499), (809, 1072880), (1618, 536440), (3236, 268220), (4045, 214576), (6472, 134110), (8090, 107288), (12944, 67055), (13411, 64720), (16180, 53644), (26822, 32360)]