160351640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2089}}^1$

素因数の和:2220

約数の個数: 64

約数和(自身を含む): 383724000

約数和(自身を除く): 223372360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 152, 190, 202, 380, 404, 505, 760, 808, 1010, 1919, 2020, 2089, 3838, 4040, 4178, 7676, 8356, 9595, 10445, 15352, 16712, 19190, 20890, 38380, 39691, 41780, 76760, 79382, 83560, 158764, 198455, 210989, 317528, 396910, 421978, 793820, 843956, 1054945, 1587640, 1687912, 2109890, 4008791, 4219780, 8017582, 8439560, 16035164, 20043955, 32070328, 40087910, 80175820, 160351640]

約数ペア:

[(1, 160351640), (2, 80175820), (4, 40087910), (5, 32070328), (8, 20043955), (10, 16035164), (19, 8439560), (20, 8017582), (38, 4219780), (40, 4008791), (76, 2109890), (95, 1687912), (101, 1587640), (152, 1054945), (190, 843956), (202, 793820), (380, 421978), (404, 396910), (505, 317528), (760, 210989), (808, 198455), (1010, 158764), (1919, 83560), (2020, 79382), (2089, 76760), (3838, 41780), (4040, 39691), (4178, 38380), (7676, 20890), (8356, 19190), (9595, 16712), (10445, 15352)]