2080319728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{220747}}^1$

素因数の和:220805

約数の個数: 40

約数和(自身を含む): 4379640320

約数和(自身を除く): 2299320592

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 220747, 441494, 882988, 1765976, 3531952, 4194193, 6843157, 8388386, 13686314, 16776772, 27372628, 33553544, 54745256, 67107088, 109490512, 130019983, 260039966, 520079932, 1040159864, 2080319728]

約数ペア:

[(1, 2080319728), (2, 1040159864), (4, 520079932), (8, 260039966), (16, 130019983), (19, 109490512), (31, 67107088), (38, 54745256), (62, 33553544), (76, 27372628), (124, 16776772), (152, 13686314), (248, 8388386), (304, 6843157), (496, 4194193), (589, 3531952), (1178, 1765976), (2356, 882988), (4712, 441494), (9424, 220747)]